Dudleya

LANCEOLATA (Nuttall) Britton & Rose, 1903

Synonyms :

Echeveria lanceolata  Nuttall (1840) / Cotyledon lanceolata  (Nuttall) Brewer & S.Watson (1876)

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

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

Dudleya elongata  Rose (1903) / Cotyledon elongata  (Rose) Fedde (1904) / Echeveria elongata  (Rose) A.Berger (1930) / Dudleya lanceolata ssp. elongata (Rose) Moran (1951)

Dudleya hallii  Rose (1903) / Cotyledon hallii  (Rose) Fedde (1904) / Echeveria hallii (Rose) Nelson & Macbride (1913)

Dudleya lurida  Rose (1903) / Cotyledon lurida  (Rose) Fedde (1904) / Echeveria lanceolata var. lurida  (Rose) Munz (1935)

Dudleya minor   Rose (1903) / Cotyledon minor   (Rose) Fedde (1904) / Echeveria minor   (Rose) A.Berger (1930) / Echeveria laxa var. minor   (Rose) Jepson (1936) / Dudleya nevadensis ssp. minor  (Rose) Abrams (1945) / Dudleya cymosa ssp. minor (Rose) Moran (1957)

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

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

Dudleya reflexa  Britton (1905) / Echeveria reflexa  (Britton) A.Berger (1930)

Echeveria monicae  A.Berger (1930)

Dudleya bicolor   P.H.Thomson (1993)

Dudleya temeculana  P.H.Thomson (1993)

Dudleya pendletonia  P.H.Thomson (1993)

 

Subgenus Dudleya

 

Distribution : USA (California: South Coast, Transverse and Peninsular Ranges, Desert Mountains), Mexico (N Baja California); rock slopes, 30 - 1250 m.

 

 

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

 

Stems erect, short, rarely 10 - 12 x 1 - 3 cm in diameter.

 

Rosettes 2.5 - 45 cm in diameter, usually with 25 - 30 leaves, solitary or with a few daughter rosettes formed within the rosette.

 

Leaves oblong-lanceolate, acute to abruptly pointed, 5 - 20 (-30) x 1 - 3 (-4) (basally 1 - 3) cm, glaucous or green.

 

Inflorescences : Scape 15 - 75 cm, inflorescences with 2 - 3 not or 1x branched scorpioid branches, these later ascending, 2 - 15 (-25) cm, with 2 - 20 flowers, lowermost pedicels 2 - 12 mm.

 

Flowers : Calyx 4 - 7 mm, sepals triangular-ovate, acute, 3 - 6 mm, petals elliptic to oblanceolate, acute, 10 - 16 x 3.5 - 5 mm, inside greenish to orange-yellow, outside yellow or mostly red or red-tinged or -patterned, tube 1 - 2 mm.

 

Flowering time : April to June.

 

Cytology : n = 34, 68

 

A widespread, variable and ill-defined complex (Moran 1951a). D. bicolor, D. pendletonia and D. temeculana appear to belong here as well. 

 

In habitat, in March, near Los Angeles, CA, USA :

Without locality :

In winter :

Photos Michael Wisnev

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