Dudleya
General Information   |   Species   |   Hybrids

TRASKIAE  (Rose) Moran, 1943

Synonyms :
Stylophyllum traskiae  Rose (1903) / Cotyledon traskiae  (Rose) Fedde (1904) / Echeveria traskiae  (Rose) A.Berger (1930)

 

Subgenus Stylophyllum

 

Distribution : USA (California : Santa Barbara Island); steep slopes, to 110 m, endangered.

 

Description (according to J. Thiede in IHSP, 2003):

 

Stems erect, short, 1 – 2 (-3) cm in diameter.

 

Rosettes 10 – 20 cm in diameter, with 25 – 35 leaves, branched and cushion-forming, sometimes with 20 to > 100 rosettes together.

 

Leaves densely arranged, oblong-oblanceolate, apically acutely pointed to weakly attenuate-pointed, 4 – 15 x 1 – 4 cm, at least young glaucous.

 

Inflorescence : Scape 20 – 30 cm, inflorescence 20 – 30 cm, ± flat-topped, with ± 3 not or up to 2x branched scorpioid branches, these 4 – 10 cm, with 7 – 15 flowers, pedicels usually 1 – 4 mm.

 

Flowers : Calyx 4 – 5 mm, sepals triangular to triangular-ovate, acute, 2.5 – 4 mm, petals narrowly ovate, basally almost erect, apically recurved, acute, 8 – 10.5 x 3 – 4 mm, bright yellow, becoming somewhat red-veined, tube 1 – 2 mm.

 

Cytology : n = 34



Photo Steve Mudge

Santa Barbara Botanical Garden, CA, USA :




Photos Michael Wisnev




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