Dudleya

ACUMINATA Rose, 1903

Synonyms :

 

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

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

 

Subgenus Dudleya

 

Distribution : Mexico (Central Baja California as well as Cedros Island); mostly in coastal lowlands, to 600 m.

 

 

Description (according to IHSP, 2003) :

 

Stems to (rarely) 7 x 1 - 2.5 cm in diameter.

 

Rosettes 3 – 10 cm in diameter, with 10 - 20 (-25) leaves, dense, solitary or few (2 - 6) together.

 

Leaves ovate to triangular-Ianceolate, broadest at the base, acute to long-attenuate, 2 - 10 x 1.5 - 3 cm, pale green or slightly glaucous.

 

Inflorescence : Scape erect to divaricate or decumbent, 5 - 40 cm, lower ½ without bracts, reddish; inflorescence glaucous, with 2 - 3 unbranched or 1x branched scorpioid branches, these 1 – 12 cm, with 5 - 13 flowers, pedicels erect, 2 - 10 mm.

 

Flowers : Calyx deeply divided, 4.5 - 6 mm, sepals triangular-ovate, acute, 3 - 5 mm, green, petals almost erect or connivent, oblanceolate, acutely pointed, 10 - 14 x 2 - 2.5 mm, yellow, sometimes lineate with red, dried reddish, tube 4 – 7 mm, anthers red, orange, yellow.

 

Flowering time : April to May.

 

Cytology : n = 17

 

D. brandegeei is here synonymized with a question mark.

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