Monday, May 28, 2018

Perityle emoryi (Emory's Rock Daisy)

4/3/11 Meccacopia Trailhead, Box Canyon Road, Eastern Riverside County, CA

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

3/15/19 Desert Lily Sanctuary, Desert Center, Chuckwalla Valley,
E. Riverside County, CA


COMMON NAME: Emory's Rock Daisy

SPECIES: Perityle emoryi

FAMILY: Asteraceae (Sunflower Family)

LIFE LIST DATE: 2/6/2005

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

Treatment from Jepson eFlora:

Habit: Annual (rarely short-lived perennial herb) 2--60 cm, puberulent to rough-hairy and glandular. 

Stem: simple to much-branched. 

Leaf: generally alternate, petioled; blades 2--10 cm, ovate, round, or triangular, coarsely toothed to palmately lobed, teeth and lobes generally again toothed or lobed. 

Inflorescence: heads radiate (rarely disciform), 1--many; peduncle 0.1--7 cm; involucre hemispheric to bell-shaped; phyllaries many, 5--6 mm, lanceolate or oblanceolate to ovate. 

Ray Flower: generally 8--14; ray 1.5--4 mm, white, rarely vestigial. 

Disk Flower: corolla 2--2.5 mm, yellow. 

Fruit: generally 2--3 mm; margins thin, ciliate; ray fruit faces generally +- puberulent; disk fruit faces generally glabrous; pappus scales well developed or vestigial, bristle 0 or 1, 1--2.5 mm. 

Ecology: Coastal scrub, creosote-bush scrub; 

Elevation: < 1300 m. 

Bioregional Distribution: SCo (uncommon), ChI, PR (uncommon), D; 

Distribution Outside California: to Utah, Arizona, northern Mexico; also western South America. 

Flowering Time: Jan--Jun, Oct--Nov 

eFlora Treatment Author: David J. Keil

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