Petrophytum caespitosum subsp. acuminatum

(Rydberg) Munz

Aliso 4: 92. 1958.

Conservation concernEndemic
Basionym: Petrophytum acuminatum Rydberg in N. L. Britton et al. , N. Amer. Fl. 22: 253. 1908
Treatment appears in FNA Volume 9. Treatment on page 414. Mentioned on page 411, 413.

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.