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lance-leaf dudleya, lanceleaf liveforever, Southern California dudleya

Panamint dudleya, Panamint liveforever

Caudices

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

simple or apically branched, cespitose, 0.1–5 × 1–3 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 1–2, not in clumps, 10–25-leaved, 3–12 cm diam.;

blade pale green, oblong-lanceolate, tapering from base or slightly wider near middle, 3–15 × 0.5–2.5 cm, 1.5–6 mm thick, base 0.5–2.5 cm wide, apex narrowly acute, surfaces not farinose, glaucous at least when young.

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 (red), 2–3-branched, obpyramidal;

branches not twisted (flowers on topside), simple or 1 times bifurcate, (5–20 cm wide);

cincinni 2–3, 2–20-flowered, circinate, 1–18 cm;

floral shoots 5–40 × 0.2–0.9 cm;

leaves 5–20, ascending, triangular-lanceolate, 5–70 × 3–10 mm, apex acute.

Pedicels

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

erect, not bent in fruit, 5–20 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 4–8 × 4.5–7 mm;

petals connate 1–4 mm, bright to greenish yellow or red-marked, 8–20 × 9–20 mm, apex acute, tips often outcurved;

pistils connivent, erect.

Unripe

follicles erect.

follicles erect.

2n

= 68.

Dudleya lanceolata

Dudleya saxosa

Phenology Flowering spring.
Habitat Rocky slopes
Elevation 0-1300 m (0-4300 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CA
[WildflowerSearch map]
[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.)

Subspecies 3 (3 in the flora).

The three geographically isolated subspecies of Dudleya saxosa differ mostly in size of parts and in level of ploidy.

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

Key
1. Floral shoots 5-20 cm; cincinni 2-9-flowered, 1-4 cm; caudices 1-1.5 cm diam.
subsp. saxosa
1. Floral shoots (10-)15-40 cm; cincinni 4-20-flowered, 3-18 cm; caudices 1-3 cm diam
→ 2
2. Petals 8-12(-15) mm, usually bright yellow, if more than 12 mm, then greenish yellow.
subsp. aloides
2. Petals 12-16(-20) mm, bright yellow, red- tinged.
subsp. collomiae
Source FNA vol. 8, p. 186. FNA vol. 8, p. 187.
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. stolonifera, D. traskiae, D. variegata, D. verityi, D. virens, D. viscida
Subordinate taxa
D. saxosa subsp. aloides, D. saxosa subsp. collomiae, D. saxosa subsp. saxosa
Synonyms Echeveria lanceolata, D. brauntonii, D. cymosa subsp. minor, D. lurida, D. nevadensis subsp. minor Cotyledon saxosa
Name authority (Nuttall) Britton & Rose: New N. Amer. Crassul., 23. 1903 , (M. E. Jones) Britton & Rose: New N. Amer. Crassul., 15. 1903 ,
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