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lance-leaf dudleya, lanceleaf liveforever, Southern California dudleya

Verity's dudleya, Verity's liveforever

Caudices

simple or apically branched and cespitose, 1–5 × 1–3 cm, axillary branches absent.

branched apically, (cespitose), 2–10 × 0.2–1 cm, axillary branches absent.

Leaves

rosettes 1–7, not in clumps, 10–25(–30)-leaved, 3–25 cm diam.;

blade green, oblong-lanceolate, 4–30 × 0.5–4 cm, 1.5–6 mm thick, base 1–3 cm wide, apex acute to acuminate, surfaces not farinose, sometimes glaucous.

rosettes 25–100+, in clumps, 6–10-leaved, 2–8 cm diam.;

blade blue-green, oblong-lanceolate, 2–5 × 0.4–0.8 cm, 2–3 mm thick, base 0.5–0.8 cm wide, apex acute to acuminate, surfaces not farinose, glaucous.

Inflorescences

cyme mostly 2–3-branched, obpyramidal;

branches not twisted (flowers on topside), simple or 1-times bifurcate, (5–16 cm diam.);

cincinni 2–3, 2–20-flowered, circinate, 2–15(–25) cm;

floral shoots 15–90(–120) × 0.3–1.2 cm;

leaves 18–40, spreading to ascending, triangular-lanceolate to -ovate, 10–30(–50) × 3–18 mm, apex acute, in age straight and erect to spreading.

cyme mostly 2–3-branched, obpyramidal;

branches not twisted (flowers on topside), simple or 1–2 times bifurcate, (3–6 cm diam.);

cincinni 1–3, 2–10-flowered, circinate, 2–5 cm;

floral shoots 3–15 × 0.3–0.6 cm;

leaves 5–20, ascending, lanceolate, 8–10 × 5–7 mm, apex acute.

Pedicels

erect, not bent in fruit, 2–6(–12) mm.

ascending to erect, not bent in fruit, 3–5 mm.

Flowers

calyx 4–7 × 5–8 mm;

petals connate 1–2 mm, bright yellow or usually red or red-flushed or -marked abaxially, greenish to orange-yellow adaxially, 10–16 × 2.5–5 mm, apex acute, tips slightly outcurved;

pistils connivent, erect.

calyx 4–5 × 5–7 mm;

petals connate 1–2 mm, bright yellow with greenish midribs, 10–14 × 2.5–4 mm, apex sharply acute, tips outcurved;

pistils connivent, erect.

Unripe

follicles erect.

follicles erect.

2n

= 68.

= 34.

Dudleya lanceolata

Dudleya verityi

Phenology Flowering spring. Flowering late spring.
Habitat Rocky slopes North-facing volcanic rocks
Elevation 0-1300 m (0-4300 ft) ca. 100 m (ca. 300 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Dudleya lanceolata is wide-ranging, from Monterey and western Kern counties southward through San Diego County, variable, and ill-defined. It varies locally in size of parts and in flower color but does not seem easily divisible into smaller units. N. L. Britton and J. N. Rose (1903, 1905) proposed seven additional species of southern California or of unstated origin that seem best included here. On the basis of 18 or more well-scattered collections, it is tetraploid; it seems best defined partly on that basis. Similar plants from Aliso Canyon, Orange County, are octoploid (C. H. Uhl and R. V. Moran 1953, as D. sp. aff. D. lanceolata); this is one of several scattered coastal populations with the caudex elongate. Another is D. elongata Rose, from near San Pedro, of which later collections are tetraploid.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Of conservation concern.

Dudleya verityi forms clumps to 4 dm in diameter and is known from near Mount Conejo in the Santa Monica Mountains; it is considered to be seriously threatened (California Native Plant Society, http://cnps.web.aplus.net/cgi-bin/inv/inventory.cgi). It hybridizes in nature with D. blochmaniae subsp. blochmaniae.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 8, p. 186. FNA vol. 8, p. 189.
Parent taxa Crassulaceae > Dudleya > subg. Dudleya Crassulaceae > Dudleya > subg. Dudleya
Sibling taxa
D. abramsii, D. arizonica, D. attenuata, D. blochmaniae, D. brevifolia, D. candelabrum, D. cespitosa, D. cymosa, D. densiflora, D. edulis, D. farinosa, D. gnoma, D. greenei, D. multicaulis, D. nesiotica, D. palmeri, D. parva, D. pulverulenta, D. saxosa, D. stolonifera, D. traskiae, D. variegata, D. verityi, D. virens, D. viscida
D. abramsii, D. arizonica, D. attenuata, D. blochmaniae, D. brevifolia, D. candelabrum, D. cespitosa, D. cymosa, D. densiflora, D. edulis, D. farinosa, D. gnoma, D. greenei, D. lanceolata, D. multicaulis, D. nesiotica, D. palmeri, D. parva, D. pulverulenta, D. saxosa, D. stolonifera, D. traskiae, D. variegata, D. virens, D. viscida
Synonyms Echeveria lanceolata, D. brauntonii, D. cymosa subsp. minor, D. lurida, D. nevadensis subsp. minor
Name authority (Nuttall) Britton & Rose: New N. Amer. Crassul., 23. 1903 , K. M. Nakai: Cact. Succ. J. (Los Angeles) 55: 196, figs. 1–5, 7. 1983 ,
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