Friday, February 26, 2016

Platystemon californicus (Cream Cups)


 3/23/19 Harford Springs Reserve, Gavilan Hills,
Riverside County, CA

 3/23/19 Harford Springs Reserve

 3/23/19 Harford Springs Reserve

 3/23/19 Harford Springs Reserve

 3/23/19 Harford Springs Reserve

 3/23/19 Harford Springs Reserve
 
3/6/05 North side of Wilson Valley Road between Hwy. 371 and Reed Valley Road, Aguanga area, Riverside County, CA

3/6/05 Wilson Valley Road

3/6/05 Wilson Valley Road 

3/6/05 Wilson Valley Road 

3/6/05 Wilson Valley Road

3/6/05 Wilson Valley Road

3/26/05 Hwy. 247 (Barstow to Lucerne Valley) just south of gas pipeline road, San Bernardino County, CA

 3/26/05 Hwy. 247 (Barstow to Lucerne Valley)

LIFE LIST NOTES:

COMMON NAME: Cream Cups

SPECIES: Platystemon californicus

FAMILY: Papaveraceae (Poppy Family)

LIFE LIST DATE3/6/2005

LOCATION: North side of Wilson Valley Road between Hwy. 371 and Reed Valley Road, Aguanga area, Riverside County, CA

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Treatment from The Jepson Manual (1993):

Annual 10–30 cm, shaggy-hairy; sap colorless

Leaves basal and cauline, opposite, 2–8 cm, linear to lanceolate or narrowly oblong, entire

Inflorescence: flowers solitary, terminal; peduncle 10–20 cm

Flower: sepals 3, hairy; petals 6, free, elliptic, white to yellowish, 8–16 mm, persistent after pollination; stamens > 12, free, filaments flattened; longitudinal ovary segments (carpels) generally 9–18, fused, separating in fruit

Fruit: segments 10–16 mm, linear, narrowed between seeds, breaking into 1-seeded units

Seed 1 mm, elliptic to reniform, smooth, brown

Ecology: Open grasslands, sandy soils, burns

Elevation: < 1000 m.  

Bioregional distribution: California Floristic Province, w Desert 

Distribution outside California: to Oregon, Utah, Arizona, Baja California

Flowering time: Mar–May

Highly variable

Synonyms: vars. crinitus Greene, horridulus Greene, nutans Brandegee, and ornithopus (Greene) Munz 
Plants of s ChI (Santa Barbara Island) have been called var. ciliatus Dunkle, Santa Barbara Island cream cups

Horticultural information: DRN, DRY, SUN: 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 2

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