Dudleya
General Information   |   Species   |   Hybrids

BLOCHMANIAE ssp. BLOCHMANIAE

Synonyms :

Hasseanthus kessleri  Davidson (1923)

Sedum gertrudianum  Eastwood (1931)

 

Distribution : USA (California, southern-center and southern coast), Mexico (Northern Baja California); open rocky slopes, often on serpentine or clay, 5 - 450 m.

 

 

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

 

Stems slightly globose to fusiform, 7 - 15 (-30) x 3 - 9 (-15) mm.

 

Rosettes with (3-) 5 - 8 (-12) leaves.

 

Leaves linear-oblanceolate to linear-spatulate, somewhat delicately crenate, obtuse, 1 - 4 (-7.5) cm x 2 - 6 (- 8) (basally 1 - 4) mm, yellow-green, vernal.

 

Inflorescences 1 - 7, scapes 4 - 15 (-22) cm; inflorescence cymose, 2x to several times branched, bracts triangular-lanceolate to -ovate, lowermost bracts 5 - 15 (-25) x 3 - 6 (-9) mm, pedicels mostly absent.

 

FIowers musk-scented, sepals ovate to oblong-ovate, obtuse, 1.5 - 4 mm, often glaucous, corolla 10 - 14 mm in diameter, petals lanceolate, very slightly cucullate, basally erect, then widely spreading, 5 – 9 (-12) mm, white with red or violet markings, usually with rose-coloured dorsal mid-stripe, tube to 1 mm.

 

Flowering time : May.

 

Cytology : n = 17,34,51

 

D. variegata is vegetatively very similar but immediately distinguished by its flowers. This taxon forms intersubgeneric natural hybrids with D. edulis (Moran 1950) and D. verityi (Nakai 1983).


In winter :



In summer :







Photos Michael Wisnev




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