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.
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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.