Petrophytum caespitosum subsp. acuminatum
Aliso 4: 92. 1958.
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
Of conservation concern.
Subspecies acuminatum is known only from the southern Sierra Nevada in Fresno and Tulare counties.
"dm" is not declared as a valid unit of measurement for this property.