Dudleya
General Information   |   Species   |   Hybrids

CYMOSA ssp. CREBRIFOLIA  K.M.Nakai & Verity, 1988

Synonym : Dudleya crebrifolia  (K.M.Nakai & Verity) P.H.Thomson (1993)

 

Distribution : USA (California: Los Angeles County: San Gabriel Mts.); granite slopes, 350 - 600 m, not frequent.

 

 

Differs from ssp. cymosa :

 

Stems 1 - 2 cm in diameter.

 

Rosette 5 - 12 cm in diameter, with 6 - 15 leaves.

 

Leaves spreading to ascending, elliptic to spatulate, 4 - 10 (-15) x 2 - 5 cm, olive-green, rarely glaucous, lower face slightly chestnut-brown.

 

Inflorescence : Scape 10 - 30 (-50) cm, yellowish-green, bracts numerous (20 - 50), densely arranged, inflorescence branches 1 - 2x branched, scorpioid, 2 – 15 cm, with 2 - 15 (-20) flowers, pedicels 3 - 8 mm.

 

Flowers : Petals elliptic, spreading at ± 45°, 9 - 10 x 3 - 3.5 mm, mustard-yellow, keel glaucous, tube 1 - 1.5 mm.

 

Cytology : n = 17

 

Apparently closest to ssp. pumila, but differing by elliptic leaves, longer inflorescence branches, more numerous and more congested bracts and a later flowering time (according to the protologue). 




Photos Michael Wisnev




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