Petrophytum caespitosum subsp. acuminatum
Aliso 4: 92. 1958.
Conservation concernEndemic
Basionym: Petrophytum acuminatum Rydberg in N. L. Britton et al. , N. Amer. Fl. 22: 253. 1908
Revision as of 22:43, 16 December 2019 by FNA>Volume Importer
Short shoots compressed into tight rosettes. Leaf blades 1–1.8 cm, abaxial surface sparsely strigose. Inflorescences compressed panicles, usually appearing racemose, with scattered bracts along peduncle, branches uncommon, 0.5–1 cm. Flowers: petal apex acute to acuminate.
Phenology: Flowering Jun–Sep.
Habitat: Limestone cliffs
Elevation: 1200–2500 m
Discussion
Of conservation concern.
Subspecies acuminatum is known only from the southern Sierra Nevada in Fresno and Tulare counties.
Selected References
None.
Lower Taxa
None.