Jepson Flora Project: Jepson Interchange    

link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
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. caespitosa (Haw.) Britton & Rose

Stem: caudex 1.5–4 cm wide, < 2 dm, branched
Leaves 15–30 per rosette, 5–20 cm, 1–2 cm wide, 3–8 mm thick, oblong-lanceolate; tip acute; rosette 5–20 cm wide
Inflorescence: 1° branches 3–5, forked 0–2 X ; peduncle 1.5–6 dm, 4–8 mm wide; terminal branches 3–15 cm, 4–15-flowered; pedicel 1–6 mm
Flower: sepals 2–5 mm, deltate-ovate, acute; petals 8–16 mm, 3–5 mm wide, fused 1.5–2.5 mm, elliptic, yellow, tips erect, acute
Chromosomes: n=17,51,68
Ecology: Coastal
Elevation: generally < 100 m.
Bioregional distribution: Central Coast, South Coast, n Channel Islands.Poorly defined, difficult complex of several named and unnamed entities; evidently intergrades with D. cymosa, D. farinosa, D. lanceolata, D. palmeri
Horticultural information: DRN, SUN: 15, 16, 17 &IRR: 24 &SHD: 9, 14, 19, 20, 21, 22, 23; GRCVR.

previous taxon | next taxon
bioregional map for DUDLEYA%20caespitosa being generated

Retrieve Jepson Interchange Index to Plant Names entry for Dudleya caespitosa
Retrieve dichotomous key for Dudleya
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page

University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California