Dudleya

CYMOSA ssp. PUMILA   (Rose) K.M.Nakai, 1988

Synonyms :

Dudleya pumila  Rose (1903) / Cotyledon pumila  (Rose) Fedde (1904)  

Dudleya bernardiana  Britton (1903) / Cotyledon bernardiana  (Britton) Fedde (1904) / Echeveria bernardiana  (Britton) A.Berger (1930)

Dudleya goldmanii  Rose (1903) / Echeveria goldmanii  (Rose) A.Berger (1930)

Cotyledon roseana  Fedde (1904)

Echeveria parva  A.Berger (1930)

 

Distribution : USA (Califomia: Outer South Coast Ranges, Transverse Ranges); rocky cliffs, slopes, 50 - 2600 m.

 

 

Differs from ssp. cymosa :

 

Stems 1 - 2 (-3) cm in diameter.

 

Rosettes 4.5 - 6.5 cm in diameter, usually with 10 - 25 leaves.

 

Leaves 1.5 - 5.5 (-10) x 1- 3 (-6) cm.

 

Inflorescence : Scape 5 - 15 (-25) cm, inflorescence compact, scorpioid branches 1 - 3 cm, with 3 - 6 flowers, pedicels 9 - 11 mm.

 

Flowers : Petals bright yellow to red, 2.5 - 4 mm wide.

 

Cytology : n = 17

 

The type of D. cymosa ssp. minor belongs to D. lanceolata, and the plants so far erroneously identified as D. cymosa ssp. minor are now named as ssp. pumila, as they fit the type of D. pumila well (Nakai 1988a).

 

Photos Michael Wisnev

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