Rhamnus pirifolia |
|
---|---|
island redberry |
|
Habit | Shrubs to small trees, 2.5–6(–10) m, unarmed. |
Branchlets | purple to gray, glabrous or puberulent. |
Leaves | persistent, alternate; petiole 5–10 mm; blade dull reddish to yellowish brown abaxially, usually shiny green adaxially, broadly elliptic to oblong or ovate-oblong, (1.5–)2–5(–6) cm, distinctly coriaceous, base cuneate to nearly truncate, margins blunt-serrate or entire, apex acute to rounded, apiculate, both surfaces glabrous; secondary veins 5–9 pairs, all diverging at nearly same angle. |
Inflorescences | fascicles or flowers solitary. |
Pedicels | 3–6 mm. |
Drupes | red, globose, 6–8 mm; stones 2. |
Sepals | 4. |
Petals | 0. |
Rhamnus pirifolia |
|
Phenology | Flowering (Jan–)Feb–Jun. |
Habitat | Steep slopes, canyon walls and bottoms, dunes, grasslands, coastal sage scrub, chaparral, pine woodlands. |
Elevation | 10–500 m. (0–1600 ft.) |
Distribution |
CA; Mexico (Baja California)
|
Discussion | Rhamnus pirifolia is known in California on the Channel Islands and in Baja California on Guadalupe Island; it has not been implicated in hybridization with other members of the R. crocea complex. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 12, p. 47. |
Parent taxa | Rhamnaceae > Rhamnus |
Sibling taxa | |
Synonyms | R. crocea subsp. pirifolia, R. crocea var. pirifolia |
Name authority | Greene: Pittonia 3: 15. (1896) |
Web links |