Dudleya
General Information   |   Species   |   Hybrids

CYMOSA ssp. CYMOSA

Synonyms :

Cotyledon nevadensis  S.Watson (1876) / Dudleya nevadensis  (S.Watson) Britton & Rose (1903) / Echeveria nevadensis  (S.Watson) Nelson & Macbride (1913) / Cotyledon laxa var. nevadensis  (S.Watson) Jepson (1936)

Cotyledon purpusii  K.Schumann (1896) / Echeveria purpusii  (K.Schumann) K.Schumann (1896) / Dudleya purpusii  (K.Schumann) Britton & Rose (1903)

Cotyledon plattiana  Jepson (1901) / Dudleya plattiana  (Jepson) Britton & Rose (1903) / Echeveria plattiana  (Jepson) Nelson & Macbride (1913)

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

Dudleya gigantea  Rose (1903) / Cotyledon gigantea  (Rose) Fedde (1904) / Dudleya cymosa ssp. gigantea  (Rose) Moran (1957)

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

Echeveria amadorana  A.Berger (1930)

Echeveria lanceolata var. incerta  Jepson (1936)

 

Distribution : USA (south-western Oregon, northern and central California); rocks and slopes, more rarely shady canyons, 100 - 2700 m.

 

 

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

 

Stems short, mostly < 5 x 1 - 3.5 cm.

 

Rosettes 6 - 20 (-25) cm in diameter, with 6 - 25 leaves, solitary or few together.

 

Leaves oblong-oblanceolate to rarely spatulate, acute, attenuate or rarely long-attenuate, (1.5-) 4 - 17 x 1 - 6 cm, 1 - 5 mm thick, glaucous.

 

Inflorescence : Scape (5-) 15 - 45 cm, inflorescence obpyramidal, mostly with 2 – 4 not or to 3x branched scorpioid branches, these 1 - 5 (-15) cm, with (1-) 2 - 10 (-20) flowers, pedicels erect, lowermost 5 - 15 mm.

 

Flowers : Calyx 3 - 7 mm, basally rounded to truncate, sepals triangular to triangular-ovate, acute to ± long-attenuate, 1.5 - 5 x 1.5 - 4 , petals elliptic to narrowly lanceolate, acute, apically spreading at 45 – 90°, 7 - 15 x 2 - 4 mm, yellow, orange or red, keel occasionally glaucous, tube 1 – 2.5 mm.

 

Cytology : n = 17


In habitat at Los Gatos, CA, USA :




Photos Michael Wisnev




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