Jepson Flora Project: Jepson Interchange    

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

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.

DUDLEYA

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.).

Native

D. cymosa (Lem.) Britton & Rose


Stem: caudex 1–3.5 cm wide; branches 0–many
Leaf 1.5–17 cm, 2.5–50 mm wide, generally oblanceolate to spoon-shaped, rarely ovate or linear-oblanceolate, ± glaucous; tip acute, often acuminate to abruptly sharp; rosette 1–20 cm wide
Inflorescence: 1° branches generally 2–4, generally spreading, branched 0–3 X ; peduncle 4–45 cm; terminal branches 1–5(17) cm, 2–10(20)-flowered; pedicel generally 5–15 mm
Flower: sepals 1.5–5 mm, deltate-ovate, acute; petals 7–14 mm, 1.5–3.5 mm wide, fused 1–3 mm, elliptic to lanceolate, narrowly acute, yellow to red
Chromosomes: n=17
Ecology: Rocky outcrops, slopes, talus
Elevation: 50–2700 m.
Bioregional distribution: North Coast Ranges, Cascade Range, Sierra Nevada, Central Western California (except Central Coast), Transverse Ranges
Distribution outside California: sw Oregon

Native

subsp. crebrifolia K.M. Nakai & Verity

SAN GABRIEL RIVER DUDLEYA


Stem: caudex 1–2 cm wide; branches 0 to rarely few
Leaf 4–10 cm, 20–50 mm wide, elliptic to spoon-shaped, rarely glaucous
Inflorescence: peduncle generally 10–30 cm; bracts 20–50, closely-spaced; terminal branches 3–15 cm, 2–10(20)-flowered; pedicel 3–8 mm
Flower: petals fused 1–1.5 mm, mustard-yellow
Ecology: UNCOMMON. Granitic slopes
Elevation: 400 m.
Bioregional distribution: San Gabriel Mountains (Fish Canyon, Los Angeles Co.)
Horticultural information: DRN, DRY: 14, 16, 17, 18, 19, 20, 21, 22, 23, 24.
See the CNPS Inventory for information about endangerment and rarity.
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Retrieve Jepson Interchange Index to Plant Names entry for Dudleya cymosa subsp. crebrifolia
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