Frangula rubra subsp. yosemitana

(C. B. Wolf) Kartesz & Gandhi

Phytologia 76: 449. 1994.

Endemic
Basionym: Rhamnus rubra subsp. yosemitana C. B. Wolf Rancho Santa Ana Bot. Gard. Monogr., Bot. Ser. 1: 90, figs. 36, 37. 1938
Synonyms: R. rubra var. yosemitana (C. B. Wolf) McMinn
Treatment appears in FNA Volume 12. Treatment on page 56.

Young branches red to gray. Leaves scattered along branchlets; blade light green abaxially, green adaxially, narrowly elliptic to oblong, 3–7 cm, base acute to rounded, margins finely denticulate, apex acute to rounded, both surfaces short puberulent. Drupes globose.


Phenology: Flowering Apr–Jun.
Habitat: Chaparral, montane forests.
Elevation: (400–)1000–2200 m.

Discussion

Selected References

None.

Lower Taxa

None.
perigynous +  and epigynous +
acute +  and rounded +
John O. Sawyer† +  and Guy L. Nesom +
(C. B. Wolf) Kartesz & Gandhi +
acute +  and rounded +
Rhamnus rubra subsp. yosemitana +
protruding +
green +  and light green +
3[-5]-veined +  and pinnate +
spinulose +, spinose +, serrate +  and entire +
denticulate +, dentate +, crenulate +, crenate +  and serrulate +
narrowly elliptic;oblong +
3 cm30 mm <br />0.03 m <br /> (7 cm70 mm <br />0.07 m <br />) +
red +  and gray +
globose +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
(400–)1000–2200 m. +
Chaparral, montane forests. +
circumscissile +
free +  and adnate +
unisexual +  and bisexual +
(2-)4-15-flowered +  and pedunculate +
deciduous +
serrulate to denticulate +  and entire +
denticulate +
intrastaminal +
0.1 cm1 mm <br />0.001 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
not fleshy +
perigynous +  and epigynous +
adnate +  and distinct +
clawed +, broadly obovate +  and obcordate +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Flowering Apr–Jun. +
2-4-carpellate +
not furrowed +
obovoid +  and lenticular +
yellowish +  and green or white +
distinct +
spreading +  and erect +
keeled;ovate-triangular +
red +  and gray +
hairy +  and glabrous +
indehiscent +
R. rubra var. yosemitana +
Frangula rubra subsp. yosemitana +
Frangula rubra +
subspecies +
deciduous +  and evergreen +
polygamous +, dioecious +  and synoecious +