Dudleya
General Information   |   Species   |   Hybrids

GREENEI Rose, 1903

Synonyms :

Cotyledon greenei  (Rose) Fedde (1904) / Echeveria greenei  (Rose) A.Berger (1930)

Dudleya hoffmannii  D.A.Johansen (1932)

Dudleya regalis  D.A.Johansen (1932)

Dudleya echeverioides  D.A.Johansen (1935)

 

Subgenus Dudleya

 

Distribution : USA (California: San Miguel, Santa Rosa and Santa Cruz Islands); coastal cliffs, to 150 m, not frequent.

 

 

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

 

Stems branched, often elongate, 7.5 - 15 x 2 - 5 cm in diameter.

 

Rosette 10 - 15 cm in diameter, with 20 - 35 leaves, 12 – 20 together.

 

Leaves oblong-oblanceolate to obovate, apically acute to pointed, 3 - 11 x 1 - 3.5 (basally 1 – 3) cm, 4 - 8 mm thick, not glaucous to ± farinose powdery.

 

Inflorescence scape 15 - 40 cm; inflorescence with 3 - 4 not or up to 2x branched scorpioid branches, these 1 - 9 cm, with 2 - 15 flowers, pedicels 1 - 5 mm.

 

Flowers : Sepals triangular, 1.5 – 5 mm, petals 8 - 12 x 3 - 5 mm, elliptic, acute, pale yellow or whitish, tube 1.5 - 2.5 mm.

 

Cytology : n = 34, 51

 

A variable complex hardly different from D. caespitosa (Bartel 1993). See further comment for D. virens ssp. insularis.



Photo Steve Mudge

At Santa Barbara Botanical Garden, CA, USA:






Photos Michael Wisnev.




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