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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CRASSULACEAE

STONECROP FAMILY

Annual to subshrubs, fleshy
Leaves generally simple, generally basal and cauline, alternate or opposite, generally reduced upward
Inflorescence: generally cyme, generally bracted
Flower: sepals generally 3–5, generally ± free; petals generally 3–5, ± free or fused; stamens = to >> sepals, free or epipetalous; pistils generally 3–5, simple (sometimes fused at base), ovary 1-chambered, placenta 1, parietal, ovules 1–many, style 1
Fruit: follicles generally 3–5
Seeds 1–many, small
Genera in family: ± 30 genera, ± 1500 species: ± worldwide, especially dry temp; many cultivated for ornamental. Family description and generic key by Melinda F. Denton and Reid Moran.

PARVISEDUM

Melinda F. Denton

Annual, small, generally branched near base, glabrous
Leaves cauline, alternate, early deciduous, oblong-elliptic to ovoid; tip rounded to obtuse
Inflorescence: flowers solitary or in 0–3-branched cyme
Flower: sepals 5; petals 5, linear to narrowly ovate, slightly fused at base, yellow, midrib often reddish; stamens 5 or 10; pistils 5, oblong, stigmas ± 0.1 mm diam
Fruits erect to curved out, glabrous or glandular
Seed 1 per follicle, 0.7–2 mm, elliptic, brown
Species in genus: 4 species: CA
Etymology: (Latin: small Sedum)
Recent taxonomic note: *This genus now treated as Sedella which has priority over Parvisedum. [Eggli, U. 1992 Bradleya 10:83]

Native

P. pumilum (Benth.) R.T. Clausen

Plant 2–17 cm, sometimes simple
Leaf 2.5–5 mm, 1–2.5 mm wide
Flower: sepals 0.5–0.8 mm, 0.4 mm wide; petals 3–4.5 mm, 0.7–1 mm wide; stamens 10, anthers 0.3–0.4 mm, yellow or reddish brown
Fruit 2–2.5 mm, erect to slightly spreading, glabrous or sparsely glandular on inner surface
Seed ± 1.5 mm
Chromosomes: n=9
Ecology: Rock outcrops, clay soils, vernal pools
Elevation: 30–1200 m.
Bioregional distribution: s Outer North Coast Ranges, Inner North Coast Ranges, n&c Sierra Nevada Foothills, Great Central Valley
Recent taxonomic note: *Sedella pumila Britton & Rose
Horticultural information: SUN, winterWET, summerDRY: 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24.

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bioregional map for PARVISEDUM%20pumilum 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 Parvisedum pumilum
Retrieve dichotomous key for Parvisedum
Overlay Consortium of California Herbaria specimen data by county on this map
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