Sunday, March 31, 2019

Caulanthus heterophyllus (Slender-pod Jewelflower)

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

 3/23/19 Harford Springs Reserve

3/23/19 Harford Springs Reserve


COMMON NAME: Slender-pod Jewelflower

SPECIES: Caulanthus heterophyllus

FAMILY: Brassicaceae (Mustard Family)


LOCATION: Harford Springs Reserve, Gavilan Hills, Riverside County, CA

Treatment from Jepson eFlora:

Habit: Annual, bristly proximally. 

Stem: erect, 2.5--12 dm, not inflated, generally branched distally. 

Leaf: basal 1--10 cm, linear-oblanceolate to linear-oblong, coarsely dentate to pinnately lobed; cauline sessile, lance-linear, entire or dentate, base lobed to clasping. 

Inflorescence: terminal sterile flower cluster 0. 

Flower: sepals 4--9 mm, purple or yellow to creamy white; petals 6--15 mm, margins not wavy, purple or +- yellow, veins darker purple. 

Fruit: reflexed, 4.5--10 cm, 1--1.5 mm wide, flat parallel to septum or 4-sided; style 0.5--3.5 mm, stigma +- 2-lobed; pedicel reflexed, 2--8 mm. 

Seed: 56--82, 1.2--2 mm, oblong; cotyledons entire. 

Ecology: Dry, open scrub, chaparral, generally after fire, disturbance; 

Elevation: < 1400 m. 

Bioregional Distribution: e SCoRO (La Panza Range), SCo and s PR (common in both), ChI and TR (uncommon in both); 

Distribution Outside California: Baja California. 

Flowering Time: Mar--May 

Jepson eFlora Author: Ihsan A. Al-Shehbaz

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