Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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David J. Keil, Family Editor and author, except as specified

Annual to tree
Leaves basal or cauline, alternate to whorled, simple to compound
Inflorescence: 1° inflorescence a head, each resembling a flower, 1–many, generally arrayed in cymes, generally subtended by ± calyx-like involucre; flowers 1–many per head
Flowers bisexual, unisexual, or sterile, ± small, of several types; calyx 0 or modified into pappus of bristles, scales, or awns, which is generally persistent in fruit; corolla radial or bilateral (rarely 0), lobes generally (0)4–5; stamens 4–5, anthers generally fused into cylinder around style, often appendaged at tips, bases, or both, filaments generally free, generally attached to corolla near throat; pistil 1, ovary inferior, 1-chambered, 1-seeded, style 1, branches 2, generally hair-tufted at tip, stigmas 2, generally on inside of style branches
Fruit: achene, cylindric to ovoid, generally deciduous with pappus attached
Genera in family: ± 1300 genera, 21,000 species (largest family of dicots): worldwide. Largest family in CA. Also see tribal key to CA genera: Strother 1997 Madroño 44(1):1–28. See glossary p. 25 for illustrations of general family characteristics.


Dieter H. Wilken

Annual to perennial herb
Stems 1–5, 1–15 dm, ± hairy, glandular
Leaves alternate; petioles generally ciliate; blades generally ± oblanceolate, entire to lobed, ± reduced upward
Inflorescence raceme-like; heads radiate, 1–many; bracts ± narrowly lanceolate; involucre hemispheric to obconic; phyllaries many, in 2–3 series, linear to obovate, green, ± glandular; receptacle naked
Ray flowers: ligules yellow to red
Disk flowers many; corollas 5–9 mm, yellow to orange, generally glabrous
Fruit 4–10 mm, linear to club-like, black, ± hairy; pappus scales generally 2 pairs, 4–10 mm, generally deeply cut, generally translucent
Species in genus: ± 8 species: w US
Etymology: (G.W. Hulse, US Army surgeon, botanist, 1807–1883)
Reference: [Wilken 1977 Madroño 24:48–55]


H. vestita A. Gray

Perennial generally 1–10 dm
Stems generally leafy in lower 1/3–1/2
Leaves: basal < 8 cm, 1–3 cm wide, spoon-shaped, entire to lobed, woolly above; cauline few
Inflorescence: heads < 15 mm, < 12 mm wide; bracts lanceolate to ovate, glandular, ± long-soft-hairy; phyllaries 8–11 mm, oblong to obovate, acuminate, hairy
Ray flowers 9–32; corollas 5–18 mm, 2–5 mm wide, yellow to red, puberulent
Fruit 5–7 mm, moderately hairy; pappus 1–2 mm, generally ± equal
Ecology: Open gravel, talus slopes
Elevation: 1300–3900 m.
Bioregional distribution: c&s High Sierra Nevada, Transverse Ranges, Peninsular Ranges, East of Sierra Nevada, Desert Mountains
Distribution outside California: Nevada
Sspp. generally geog separated.


subsp. vestita

Plant 1–4 dm
Stems sometimes ± leafless
Leaves: petiole = blade, green; basal leaves entire, woolly
Inflorescence: bracts densely woolly; phyllary tips green or red-tinged
Flowers generally yellow; ray corollas 5–9 mm
Chromosomes: 2n=38
Ecology: Montane sagebrush to fir forest
Elevation: 2400–3000 m.
Bioregional distribution: c&s High Sierra Nevada, n East of Sierra Nevada
Flowering time: May–Jul

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bioregional map for HULSEA%20vestita%20subsp.%20vestita being generated
YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps).

Retrieve Jepson Interchange Index to Plant Names entry for Hulsea vestita subsp. vestita
Retrieve dichotomous key for Hulsea
Retrieve multiple-entry key (MEKA) for Hulsea
Overlay Consortium of California Herbaria specimen data by county on this map
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