Frangula rubra subsp. modocensis

(C. B. Wolf) Kartesz & Gandhi

Phytologia 76: 449. 1994.

Endemic
Basionym: Rhamnus rubra subsp. modocensis C. B. Wolf Rancho Santa Ana Bot. Gard. Monogr., Bot. Ser. 1: 89, fig. 35. 1938
Synonyms: R. rubra var. modocensis (C. B. Wolf) McMinn
Treatment appears in FNA Volume 12. Treatment on page 56.
Revision as of 17:30, 29 July 2020 by imported>Volume Importer
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Young branches gray. Leaves clustered on short-shoots; blade light green abaxially, dull green adaxially, narrowly elliptic, 1.5–4 cm, base acute, margins serrulate, apex acute, abaxial surface glabrous or puberulent on midrib and veins, adaxial glabrous. Drupes globose.


Phenology: Flowering Apr–Jun.
Habitat: Montane forests, sagebrush steppe.
Elevation: 1000–2200 m.

Discussion

Selected References

None.

Lower Taxa

None.
puberulent +  and glabrous +
perigynous +  and epigynous +
John O. Sawyer† +  and Guy L. Nesom +
(C. B. Wolf) Kartesz & Gandhi +
Rhamnus rubra subsp. modocensis +
protruding +
green +  and light green +
3[-5]-veined +  and pinnate +
spinulose +, spinose +, serrate +  and entire +
denticulate +, dentate +, crenulate +, crenate +  and serrulate +
narrowly elliptic;oblong or obovate +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
globose +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1000–2200 m. +
Montane forests, sagebrush steppe. +
circumscissile +
free +  and adnate +
unisexual +  and bisexual +
(2-)4-15-flowered +  and pedunculate +
deciduous +
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 +
short-puberulent +  and glabrous +
R. rubra var. modocensis +
Frangula rubra subsp. modocensis +
Frangula rubra +
subspecies +
deciduous +  and evergreen +
polygamous +, dioecious +  and synoecious +