Frangula californica subsp. occidentalis

(Howell ex Greene) Kartesz & Gandhi

Phytologia 76: 449. 1994.

Endemic
Basionym: Rhamnus occidentalis Howell ex Greene Pittonia 2: 15. 1889
Synonyms: R. californica subsp. occidentalis (Howell ex Greene) C. B. Wolf R. californica var. occidentalis (Howell ex Greene) Jepson
Treatment appears in FNA Volume 12. Treatment on page 54. Mentioned on page 53.

Leaf blades yellowish green on both surfaces, ovate to elliptic, 2–8 cm, margins entire or serrulate, flat, apex acute to obtuse, both surfaces glabrous or abaxial slightly puberulent; veins not prominent abaxially. Drupe stones 3.


Phenology: Flowering Mar–Jun.
Habitat: Chaparral, pine woodlands, serpentine substrates, creek bottoms.
Elevation: 40–2300 m.

Discussion

Selected References

None.

Lower Taxa

None.
John O. Sawyer† +  and Guy L. Nesom +
(Howell ex Greene) Kartesz & Gandhi +
Rhamnus occidentalis +
Calif. +  and Oreg. +
40–2300 m. +
Chaparral, pine woodlands, serpentine substrates, creek bottoms. +
Flowering Mar–Jun. +
R. californica subsp. occidentalis +  and R. californica var. occidentalis +
Frangula californica subsp. occidentalis +
Frangula californica +
subspecies +