Tuesday, March 21, 2017

Trichoptilium incisum (Yellowhead, Yellowdome)

3/4/17 Shaver's Valley, E. Riverside County, CA 

3/4/17 Shaver's Valley, E. Riverside County, CA 

LIFE LIST NOTES:

COMMON NAME: Yellowhead, Yellowdome

SPECIES: Trichoptilium incisum

FAMILY: Asteraceae (Sunflower Family)

LIFE LIST DATE: 3/4/2017

LOCATION: Shaver's Valley, Eastern Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Habit: Annual, perennial herb, 5--25 cm, generally +- tomentose. 

Stem: 1--several from base. 

Leaf: simple, basal and cauline, alternate or +- opposite, mostly clustered in proximal 1/2 of pl, 1--3(5) cm, sessile or tapered to a short, winged petiole; blade oblanceolate to spoon-shaped or ovate, acute, sharply dentate or shallowly lobed, densely tomentose, resin-dotted. 

Inflorescence: head discoid or radiant, 1; peduncle 3--11 cm, slender, bractless, glandular-puberulent; involucre 6--12 mm diam, hemispheric or bell-shaped, often appearing +- rotate when pressed; phyllaries in 2 +- equal series, free, 5--7 mm, linear-elliptic, acute; receptacle rounded, epaleate. 

Flower:30--100+; corolla 4--7 mm, yellow (pink), outermost sometimes enlarged and +- bilateral; style-branches truncate. Fruit: 2--3 mm, obpyramidal, glabrous to densely strigose; pappus of 5 scales, each 3--5 mm, dissected into many bristles. 

Ecology: Dry slopes, plains, creosote-bush scrub; 

Elevation: < 1500 m. 

Bioregional Distribution: D; 

Distribution Outside California: southern Nevada, southwestern Arizona, northern Baja California. 

Flowering Time: Jan--May, Oct--Dec 

eFlora Treatment Author: David J. Keil

Sunday, March 19, 2017

Linanthus jonesii (Jones' Linanthus, Jones' Desert Trumpet)

3/4/17 Shaver's Valley, E. Riverside County, CA

 3/4/17 Shaver's Valley, E. Riverside County, CA

 3/4/17 Shaver's Valley, E. Riverside County, CA

2/6/05 Shaver's Valley, E. Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Jones' Linanthus, Jones' Desert Trumpet

SPECIES: Linanthus jonesii

FAMILY: Onagraceae (Evening Primrose Family)

LIFE LIST DATE: 3/4/2017

LOCATION: Shaver's Valley, Eastern Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Habit: Annual, glandular-hairy. 

Stem: 3--15 cm. 

Leaf: 10--20 mm, linear, entire. 

Inflorescence: cyme. 

Flower: open evening; calyx 7--8 mm, membrane wider than lobes; corolla funnel-shaped, tube 5--6 mm, white, throat yellow, lobes 3--5 mm, white or cream-yellow, with light purple shading on abaxial margins; stamens included. 

Fruit: < calyx, cylindric. 

Seed: 9--28, not gelatinous when wet. 

Ecology: Sandy flats, washes; 

Elevation: < 900 m. 

Bioregional Distribution: D; 

Distribution Outside California: Arizona, Baja California. 

Flowering Time: Mar--May 

eFlora Treatment Author: Robert Patterson & J. Mark Porter

Chylismia claviformis (Brown-Eyed Evening Primrose)

 3/4/17 Shaver's Valley, E. Riverside County, CA

 3/4/17 Shaver's Valley, E. Riverside County, CA

3/4/17 Shaver's Valley, E. Riverside County, CA

3/4/17 Shaver's Valley, E. Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Brown-Eyed Evening Primrose

SPECIES: Chylismia claviformis

FAMILY: Onagraceae (Evening Primrose Family)

LIFE LIST DATE: 3/4/2017

LOCATION: Shaver's Valley, Eastern Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Habit: Annual. 

Stem: 3--70 cm. 

Leaf: generally basal, generally 1-pinnate; terminal leaflet 8--90 mm, lanceolate to cordate; lateral leaflets < 25 mm or 0. 

Inflorescence: nodding. 

Flower: generally opening near dusk; hypanthium 1--6.5 mm; sepals 2--8 mm, free tips in bud present or not; petals 1.5--8 mm, yellow or white; stamens +- equal. 

Fruit: ascending or spreading, 8--38 mm, wider to tip, straight or curved; pedicel 4--40 mm. 

Seed: 0.6--1.5 mm. 

Note: Cross-pollinated; most complex, widespread sp. in genus; 11 subspecies, 8 in California. 

Synonyms: Camissonia claviformis (Torr. & Frém.) P.H. Raven

eFlora Treatment Author: Warren L. Wagner & Peter C. Hoch, family description, key to genera, treatment of genera by Warren L. Wagner

Thursday, March 16, 2017

Eremothera boothii ssp. condensata (Shredding Primrose)


3/4/17 Shaver's Valley, E. Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Shredding Primrose

SPECIES: Eremothera boothii ssp. condensata 

FAMILY: Onagraceae (Evening Primrose Family)

LIFE LIST DATE: 3/4/2017

LOCATION: Shaver's Valley, Eastern Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Habit: Plant stout, +- glabrous, except inflorescence minutely strigose or glandular-hairy; rosette well developed. 

Stem: 5--20(30) cm. 

Leaf: 25--100(130) mm, generally lanceolate to oblanceolate, +- entire to minutely dentate. 

Inflorescence: bracts inconspicuous. 

Fruit: 2--3.8 mm wide, curved outward. 

Ecology: Sandy slopes, washes, desert scrub; 

Elevation: -70--1200 m. 

Bioregional Distribution: D; 

Distribution Outside California: to southern Utah, western Arizona, northwestern Mexico. 

Flowering Time: Feb--May 

Note: Intergrades widely with Eremothera boothii subsp. desertorum

Synonyms: Camissonia boothii (Douglas) P.H. Raven subsp. condensata (Munz) P.H. Raven; Oenothera boothii subsp. condensata (Munz) Munz


eFlora Treatment Author: Warren L. Wagner & Peter C. Hoch, family description, key to genera, treatment of genera by Warren L. Wagner

Wednesday, March 15, 2017

Echinocactus polycephalus (Cottontop Cactus)

3/4/17 Shaver's Valley, E. Riverside County, CA 

3/4/17 Shaver's Valley, E. Riverside County, CA 

LIFE LIST NOTES:

COMMON NAME: Cottontop Cactus

SPECIES: Echinocactus polycephalus

FAMILY: Cactaceae (Cactus Family)

LIFE LIST DATE: 3/4/2017

LOCATION: Shaver's Valley, Eastern Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Stem: generally spheric. 

Spines: red to gray (straw), spreading, initially canescent; radial spines 6--14, 3--4.5 cm, spreading, +- curved. 

Flower: +- 5 cm, inner perianth bright yellow. 

Fruit: scales < dried perianth. 

Seed: 2.8--4.7 mm, rounded or faceted, papillate-roughened, generally dull. 

Ecology: Rocky hills, silty valleys; 

Elevation: < 1400 m. 

Bioregional Distribution: DMoj, n DSon; 

Distribution Outside California: to Arizona, Mexico. 

Flowering Time: Mar--Aug 

eFlora Treatment Author: Bruce D. Parfitt

Lupinus truncatus (Collar Lupine, Blunt-Leaved Lupine)

 3/10/17 Hills above Minthorn Street, Lake Elsinore, Riverside County, CA

3/10/17 Hills above Minthorn Street, Lake Elsinore, Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Collar Lupine, Blunt-Leaved Lupine

SPECIES: Lupinus truncatus

FAMILY: Fabaceae (Pea Family)

LIFE LIST DATE: 3/10/2017

LOCATION: Lake Elsinore, Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Habit: Annual 2--3(5) dm, finely hairy, generally appearing glabrous. 

Leaf: petiole 3--10 cm, flat, leaflet-like; leaflets 5--8, 20--40 mm, 2--5 mm wide, linear, adaxially glabrous, tip generally truncate. 

Inflorescence: 3--25 cm, flowers sparse, spiralled; peduncle 3--10 cm; pedicels 2--4 mm; bracts 2--5 mm, persistent. 

Flower: 8--13 mm; calyx 3--4 mm, lips +- equal, upper deeply lobed; banner, wings magenta, banner spot +- yellow, dark magenta in age, keel tip stout, blunt, upper, lower margins ciliate middle to claw. 

Fruit: +- 3 cm, 5 mm wide, hairy. 

Seed: 6--8. 

Ecology: Locally common. Openings in chaparral or woodland, burns; 

Elevation: < 1000 m. 

Bioregional Distribution: c&s CW, SW; 

Distribution Outside California: Baja California. 

Flowering Time: Mar--May 

eFlora Treatment Author: Teresa Sholars

Strigose Lotus, Bird's Foot Trefoil (Acmispon strigosus)

3/10/17 Camino del Norte, Lake Elsinore, Riverside County, CA 

3/10/17 Camino del Norte, Lake Elsinore, Riverside County, CA 

LIFE LIST NOTES:

COMMON NAME: Strigose Lotus, Bird's Foot Trefoil

SPECIES: Acmispon (Lotus) strigosus

FAMILY: Fabaceae (Pea Family)

LIFE LIST DATE: 3/10/2017

LOCATION: Lake Elsinore, Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Habit: Annual, often fleshy, strigose or not. 

Stem: prostrate, often mat-forming, generally branched from base, 0.3--5 dm. 

Leaf: irregularly pinnate; stipules gland-like, black; leaflets 4--9, 3--10 mm, oblanceolate to obovate; axis flat, +- blade-like. 

Inflorescence: 1--2-flowered, peduncle 3--25 mm, generally bracted. 

Flower: calyx 3--5.5 mm, lobes < tube, +- strigose; corolla 5--10 mm, opening or not, yellow, orange or +- red in age, wings generally > keel; stigma glabrous or puberulent. 

Fruit: dehiscent, erect or spreading, 1--3.5 cm, linear, generally curved near tip, generally flat, margin not wavy; beak curved, 0.5--1.5 mm. 

Seed: 5--10. 

Ecology: Coastal scrub, chaparral, foothills, deserts, roadsides, other disturbed areas; 

Elevation: < 2300 m. 

Bioregional Distribution: GV, CW, SW, D; 

Distribution Outside California: Arizona, Mexico. 

Flowering Time:Mar--Jun 

Note: Several variants often recognized (see Isely, pp. 193--198); plants in CA-FP generally +- strigose, with narrow leaflets; plants in D fleshy, generally canescent, with wide leaflets. Conspicuous in spring. 

Synonyms: Lotus strigosus (Nutt.) Greene; Lotus strigosus var. hirtellus (Greene) Ottley; Lotus strigosus var. tomentellus (Greene) Isely; Lotus tomentellus Greene; Acmispon strigosus (Nutt.) D.D.Sokoloff var. hirtellus (Greene) D.W. Taylor


eFlora Treatment Author: Luc Brouillet

Amsinckia menziesii (Common Fiddleneck)

 3/10/17 Minthorn Street, Lake Elsinore, Riverside County, CA

 3/10/17 Minthorn Street, Lake Elsinore, Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Common Fiddleneck

SPECIES: Amsinckia menziesii

FAMILY: Boraginaceae (Borage Family)

LIFE LIST DATE: 3/10/2017

LOCATION: Lake Elsinore, Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Stem: decumbent to +- ascending, green to brown, spreading-bristly, branches +- many, from base. 

Leaf: spreading, green, coarse-hairy to bristly. 

Flower: calyx lobes 5, +- equal, not fused above base; corolla 4--7 mm, tube +- exserted, tube 10-veined near base, limb 1--3 mm diam, yellow to orange-yellow, generally spotted; stamens attached above middle of tube, anthers generally appressed to stigma; style to throat. 

Fruit: 2--3.5 mm, +- sharp-tubercled, occasionally ridged. 

Ecology: Shade-tolerant, open, disturbed areas at forest/woodland edges; 

Elevation: < 1700 m. 

Bioregional Distribution: CA-FP, MP; 

Distribution Outside California: to Alaska, Idaho; naturalized in central and eastern United States; also in South America. 

Flowering Time: May--Jul Note: Homostylous. 

eFlora Treatment Author: Ronald B. Kelley & Fred R. Ganders

Goldfields (Lasthenia californica)

3/10/17 Minthorn Street, Lake Elsinore, Riverside County, CA 

3/10/17 Walker Canyon, Lake Elsinore, Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Goldfields

SPECIES: Lasthenia californica

FAMILY: Asteraceae (Sunflower Family)

LIFE LIST DATE: 3/10/2017

LOCATION: Lake Elsinore, Riverside County, CA

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Treatment from Jepson 1993 Manual:
Annual < 40 cm

Stem simple or freely branched, ± hairy

Leaves 0.8–7 cm, linear to oblanceolate, entire, hairy, ± fleshy in coastal forms

Inflorescence: involucre 5–10 mm, bell-shaped or hemispheric; phyllaries 4–13, free, hairy; receptacle conic, rough, glabrous

Ray flowers 6–13; ligules 5–10 mm

Disk flowers generally many; anther tips triangular; style tips triangular

Fruit < 3 mm, linear to ± club-shaped, glabrous or hairy; pappus of 1–7 narrow awns, wider awned scales, or 0

Ecology: Abundant. Many habitats

Elevation: < 1500 m.  

Bioregional distribution: California Floristic Province, w Mojave Desert 

Distribution outside California: sw Oregon, Arizona, Mexico

Flowering time: Feb–Jun

Highly variable; needs further study

Horticultural information: SUN: 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24.

Encelia farninosa (Brittlebush)

 3/4/17 Shaver's Valley, E. Riverside County, CA

3/10/17 Minthorn Road, Lake Elsinore, Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Brittlebush

SPECIES: Encelia farinosa

FAMILY: Asteraceae (Sunflower Family)

LIFE LIST DATE: 3/4/2017

LOCATION: Shaver's Valley, Eastern Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Habit: Shrub 3--15 dm, from 1 or several trunks; sap fragrant. 

Stem: much-branched above; young stem tomentose; older stem with smooth bark. 

Leaf: clustered near stem tip; petiole 10--20 mm; blade 2--7 cm, ovate to lanceolate, obtuse or acute, silver- or gray-tomentose. 

Inflorescence: heads radiate, 3--9 in tight panicle-like cluster; peduncle +- yellow, glabrous except just below heads; involucre 4--10 mm; phyllaries lanceolate. 

Ray Flower: 11--21; ray 8--12 mm. 

Disk Flower: corolla 5--6 mm, yellow or brown-purple. 

Fruit: 3--6 mm; pappus 0. 

Ecology: Coastal scrub, stony desert hillsides; 

Elevation: < 1500 m. 

Bioregional Distribution: e SCo, adjacent PR, D; 

Distribution Outside California: to southwestern Utah, northwestern Mexico. 

Flowering Time: Jan--Jun, Aug--Sep 

Note: Widely planted, especially along highways; may persist or escape outside native range. Dried resin used as incense. 

Synonyms: Encelia farinosa var. phenicodonta (S.F. Blake) I.M. Johnst.

eFlora Treatment Author: David J. Keil & Curtis Clark

Friday, March 10, 2017

Simmondsia chinensis (Jojoba)


 3/4/17 Shaver's Valley, Eastern Riverside County, CA

3/4/17 Shaver's Valley

LIFE LIST NOTES:

COMMON NAME: Jojoba

SPECIES: Simmondsia chinensis

FAMILY: Simmondsiaceae (Jojoba Family)

LIFE LIST DATE: 3/4/2017

LOCATION: Shaver's Valley, Eastern Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Habit: Hairs short, dense, appressed, less dense in age. 

Stem: 1--2 m; new growth +- hairy; branches stiff. 

Leaf: 2--4 cm, oblong-ovate, dull green, subsessile. 

Inflorescence: peduncle 3--10 mm. 

Flower: staminate sepals 3--4 mm, +- green, pistillate 10--20 mm in age; anthers yellow. 

Fruit: +- 1--2.5 cm, nut-like, ovoid, tough, leathery, obtusely 3-angled. 

Seed: large, including liquid wax. 

Ecology: Creosote-bush scrub, desert wash scrub, chaparral, coastal scrub; 

Elevation: < 1350 m. 

Bioregional Distribution: s SCo, PR, s DMoj, DSon; 

Distribution Outside California: northern Mexico. 

Flowering Time:Generally Mar--May 

Note: Important as forage pl; seed wax a substitute for sperm whale oil; fruit edible. 

eFlora Treatment Author: Robert E. Preston & William J. Stone

Rafinesquia neomexicana (Desert Chicory)

 3/4/17 Shaver's Valley, Eastern Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Desert Chicory

SPECIES: Rafinesquia neomexicana

FAMILY: Asteraceae (Sunflower Family)

LIFE LIST DATE: 3/4/17

LOCATION: Shaver's Valley, Eastern Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Stem: 1--several, 1.5--6 dm, often supported by branches of shrubs. 

Inflorescence: heads 1--few in cyme-like clusters; involucre 18--25 mm. 

Fruit: 11--16 mm (body 8--10 mm, beak 3--6 mm); pappus bristles 10--15 mm. 

Ecology: Gravelly, sandy soils, scrub, woodland; 

Elevation: 200--1500 m. 

Bioregional Distribution: s SNH, SnBr, W&I, D; 

Distribution Outside California: to Utah, New Mexico, Texas; northern Mexico. 

Flowering Time:Feb--Jun 

eFlora Treatment Author: L.D. Gottlieb

Wednesday, March 8, 2017

Cylindropuntia ramosissima (Pencil Cholla, Diamond Cholla)

3/4/17 Shaver's Valley, Eastern Riverside County, CA

3/4/17 Shaver's Valley, Eastern Riverside County, CA


4/3/11 Shaver's Valley

LIFE LIST NOTES:

COMMON NAME: Pencil Cholla, Diamond Cholla

SPECIES: Cylindropuntia ramosissma

FAMILY: Cactaceae (Cactus Family)

LIFE LIST DATE: 4/3/2011

LOCATION: Shaver's Valley, Eastern Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Habit: Plant < 1.5 m. 

Stem: trunk 1--several, decumbent to erect, main branches spreading to ascending; terminal segments < 10 cm, 4--8 mm diam, firmly attached; tubercles 4.5--8.5 mm, <= 1 mm high. 

Spines: generally 1, < 6 cm, pink-gray to dark brown, sheath +- white to pale yellow. 

Flower: inner perianth < 6 mm, orange-pink to red-brown; filaments pale green. 

Fruit: dry, proximal tubercles +- = distal; base obtuse to acute, generally continuous with stem; spines dense (0), bur-like. 

Seed: < 5 mm, generally fertile. 

Ecology: Creosote-bush/white bur-sage, saltbush, other desert scrub; 

Elevation: < 1300 m. 

Bioregional Distribution: D; 

Distribution Outside California: Nevada, Arizona, northern Mexico (Sonora, Baja California). 

Flowering Time: Apr--Aug Note: See Cylindropuntia echinocarpa

eFlora Treatment Author: Marc Baker, Bruce D. Parfitt & Jon Rebman

Larrea tridentata (Creosote Bush)

9/23/16 Site#82, Jumbo Rocks Campground,
Joshua Tree National Park, Riverside County, CA

3/4/17 Shaver's Valley, E. Riverside County, CA

LIFE LIST NOTES:

COMMON NAME: Creosote Bush

SPECIES: Larrea tridentata

FAMILY: Zygophyllaceae (Caltrop Family)

LIFE LIST DATE: 9/23/16

LOCATION: Site #82, Jumbo Rocks Campground, Joshua Tree National Park, Riverside County, CA

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Treatment from Jepson eFlora:
NATIVE

Leaf: leaflets < 18 mm, < 8.5 mm wide, obliquely lanceolate to curved; awn between leaflets < 2 mm, +- deciduous. 

Flower: < 2.5 cm wide; sepals ovoid, appressed-hairy; petal claw +- brown; stamens > appendages; ovary hairs dense, straight, stiff, silvery (red-brown in fruit); style 4--6 mm, persistent on young fruit. 

Fruit: 4.5 mm wide (except hairs), hairs +- 2--4 mm, dense, spreading. 

Ecology: Common. Desert scrub; 

Elevation: < 1000 m. 

Bioregional Distribution: SNE, D, (uncommon Teh, SnJV, SCo, SnJt); 

Distribution Outside California: to southwestern Utah, Texas, central Mexico. 

Flowering Time:Apr--May 

Note: Closely related to southern South America Larrea divaricata. Clones may live > 11000 years, longest among extant plants; resinous odor characteristic; dominant shrub over vast areas of desert. 

Synonyms: Larrea divaricata Cav. subsp. tridentata (DC.) Felger & C.H. Lowe; Larrea tridentata var. arenaria L.D. Benson

eFlora Treatment Author: Duncan M. Porter