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.
hirsutulous +, glabrate +  and glabrous +
perigynous +  and epigynous +
acute +  and obtuse +
John O. Sawyer† +  and Guy L. Nesom +
(Howell ex Greene) Kartesz & Gandhi +
cuneate +  and rounded or subcordate +
Rhamnus occidentalis +
protruding +
yellowish green +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
ovate;elliptic +
bright green +  and green gray-green yellowish green or yellow abaxially +
3[-5]-veined +  and pinnate +
spinulose +, spinose +, serrate +  and entire +
denticulate +, dentate +, crenulate +, crenate +  and serrulate +
not glaucous +
oblongelliptic;elliptic;oblongelliptic;elliptic;ovate +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
coriaceous +
Calif. +  and Oreg. +
elongate +  and globose +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
40–2300 m. +
Chaparral, pine woodlands, serpentine substrates, creek bottoms. +
circumscissile +
free +  and adnate +
unisexual +  and bisexual +
5-60-flowered +  and pedunculate +
deciduous +  and persistent +
serrulate +  and entire +
intrastaminal +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
not fleshy +
perigynous +  and epigynous +
adnate +  and distinct +
clawed +, broadly obovate +  and obcordate +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering Mar–Jun. +
2-4-carpellate +
not furrowed +
obovoid +  and lenticular +
yellowish +  and green or white +
distinct +
spreading +  and erect +
keeled;ovate-triangular +
red +  and gray or brown +
hairy +  and glabrous +
2-3-parted +
indehiscent +
2 +  and 3 +
R. californica subsp. occidentalis +  and R. californica var. occidentalis +
Frangula californica subsp. occidentalis +
Frangula californica +
subspecies +
deciduous +  and evergreen +
polygamous +, dioecious +  and synoecious +