ABRAMSII ssp. PARVA (Rose & Davidson) Bartel, 1991
Synonym : Dudleya parva Rose & Davidson (1923)
Distribution : USA (California : W. Santa Monica Mts.); loamy grassland, 60 – 450 m, rare.
Differs from ssp. abramsii :
Roots thickened to ± 3 mm over 2 – 4 cm and irregularly torulose.
Stems to 3 – 5 cm x 2 – 7 mm, ± violet.
Rosettes 1 – 3 cm in diameter, with 5 – 10 leaves, often several times branched.
Leaves linear to oblanceolate, acute, usually 1.5 – 4 x 0.3 – 0.6 cm (basally 0.5 – 1.1 cm), slightly glaucous, esp. near the base becoming ± violet, vernal, drying up in the summer from tip to base and from the outside to the inside of the rosette.
Inflorescence : Scape erect, 5 – 12 (-18) cm, inflorescence usually with 1 – 2 simple ascending scorpioid branches, these 3 – 4 (-8) cm, with 5 – 8 (-12) flowers, pedicels erect, 1 – 3 mm.
Flowers : Petals elliptic-oblong, 8 – 12 x 2 – 3.5 mm, pale yellow, keel often striate with red, tube 1 – 2 mm, lobes acute, with slightly recurved tips.
Flowering time : May to June.
Cytology : n = 17
Differs from almost all other taxa of Subgenus Dudleya (except D. cymosa ssp. marcescens) by being completely leafless in the dry season (Moran 1948).