Flora of North America species comparison

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Dudleya attenuata

Dudleya verityi

Orcutt's dudleya, tapertip liveforever

Verity's dudleya, Verity's liveforever
Caudices

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

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 1–2 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

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

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.
California

Unripe

follicles erect.
2n

= 34.

Dudleya attenuata

Dudleya verityi
Phenology Flowering late spring.
Habitat North-facing volcanic rocks
Elevation ca. 100 m (ca. 300 ft)
Distribution
from FNA
CA; nw Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Subspecies 2 (1 in the flora).

Subspecies australis Moran occurs in Baja California.

(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. 176. FNA vol. 8, p. 189.
Parent taxa Crassulaceae > Dudleya > subg. Stylophyllum Crassulaceae > Dudleya > subg. Dudleya
Sibling taxa
D. abramsii, D. arizonica, 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. 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
Subordinate taxa
D. attenuata subsp. attenuata
Synonyms Cotyledon attenuata, Stylophyllum attenuatum
Name authority (S. Watson) Moran: Desert Pl. Life 14: 191. (1943) K. M. Nakai: Cact. Succ. J. (Los Angeles) 55: 196, figs. 1–5, 7. 1983 ,
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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