Dudleya
General Information   |   Species   |   Hybrids

ABRAMSII ssp. ABRAMSII

Synonyms :

 

Dudleya tenuis  Rose (1903) / Cotyledon tenuis  (Rose) Fedde (1904) / Echeveria tenuis  (Rose) A.Berger (1930)

 

Distribution : USA (South-western California: San Luis Obispo County), Mexico (Northern Baja California); on rocks, 50 - 2600 m.

 

 

Description (according to IHSP, 2003) :

 

Stems usually < 5 x 1 - 1.5 cm.

 

Rosettes 2 - 8 (-15) cm in diameter with 8 - 25 leaves, solitary or in groups of 5 – 20 (-75).

 

Leaves erect or ascending, oblong to oblong-Ianceolate, acute or acutish, delicately pointed, 1 - 10 x 0.3 - 1.5 cm, glaucous.

 

Inflorescence : Scape 2 - 15 cm, inflorescence with 2 - 3 scorpioid branches, these solitary or 1 - 2x branched, 3 - 15 cm, with 2 - 10 (-20) flowers, pedicels erect, 0.5 - 5 (- 11) mm.

 

Flowers : Calyx 3 - 5 mm, sepals triangular-ovate to lanceolate, acute, 2 - 5 x 1.5 - 3 mm, petals erect, elliptic to narrowly lanceolate, margins occasionally erose, 8 - 13 x 2 - 3 mm, pale yellow, often striate with red, especially the keel.

 

Flowering time : April to June.

 

Cytology : n = 17

 

 

According to Nakai (1988a) D. abramsii s.l. is distinguished from D. cymosa s.l. by the shorter pedicels, the longer flower tube and a larger difference in the insertion of the epipetal and episepal filaments.

See also comment for D. virens ssp. virens.

 




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