Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



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.


Jim A. Bartel

Perennial, fleshy, glabrous
Stem generally caudex or corm-like, generally vertical, branched or not, generally covered with dried leaves or leaf bases
Leaves in basal rosettes, evergreen vernal and ephemeral
Inflorescence: cyme, axillary, 1-sided; bracts leaf-like, alternate
Flower: sepals 5, fused below; petals 5, fused at base, erect to spreading above; stamens 10, epipetalous; pistils 5, ± fused below
Fruit: follicles 5, erect to spreading, many-seeded
Seed < 1 mm, narrowly ovoid, brown, striate
Species in genus: ± 45 species: sw North America
Etymology: (W.R. Dudley, western US botanist, 1849–1911)
Reference: [Moran in Jacobsen 1960 Handb Succ Plant:344–359]
Unopened follicles generally most reliable for posture (erect, spreading, etc.).


D. pulverulenta (Nutt.) Britton & Rose

Plant covered with dense, mealy powder to chalky wax
Stem: caudex simple
Leaf oblong to oblong-obovate
Inflorescence: 1° branches 3–10, simple or forked 1 X ; terminal branches twisted at base
Flower: sepals deltate-ovate; petals acute to obtuse
Chromosomes: n=17
Ecology: Rocky places
Elevation: < 1500 m.
Bioregional distribution: c&s Central Coast, Outer South Coast Ranges, South Coast, Transverse Ranges, Peninsular Ranges, Desert Mountains
Distribution outside California: s Nevada, w Arizona, nw Mexico


subsp. pulverulenta

Stem: caudex 4–9 cm wide
Leaves 40–60 per rosette, 8–25(27) cm, 3–10 cm wide, 3–10 mm thick, oblong; base 3–8 cm wide; tip acuminate to abruptly sharp
Inflorescence: peduncle 3–10 dm, 5–15 mm wide; terminal branches erect to spreading, 3–many, 10–40 cm, 10–30-flowered; pedicel 5–30(35) mm, in bud pendent, in fruit often sharply bent, erect
Flower: petals 11–19 mm, fused 6–10 mm, red, lobes 2–4 mm wide
Ecology: Rocky cliffs, canyons
Elevation: generally < 1000 m.
Bioregional distribution: c&s Central Coast, Outer South Coast Ranges, South Coast, Transverse Ranges, Peninsular Ranges
Distribution outside California: n Baja California
Horticultural information: DRN, DRY: 15, 16, 17, 22, 23, 24 &SHD or IRR: 14, 18, 19, 20, 21.

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bioregional map for DUDLEYA%20pulverulenta%20subsp.%20pulverulenta being generated

Retrieve Jepson Interchange Index to Plant Names entry for Dudleya pulverulenta subsp. pulverulenta
Retrieve dichotomous key for Dudleya
Overlay Consortium of California Herbaria specimen data by county on this map
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