Difference between revisions of "Rhamnus pirifolia"
Pittonia 3: 15. 1896.
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|name=Rhamnus crocea subsp. pirifolia | |name=Rhamnus crocea subsp. pirifolia | ||
|authority=(Greene) C. B. Wolf | |authority=(Greene) C. B. Wolf | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=R. crocea var. pirifolia | |name=R. crocea var. pirifolia | ||
|authority=(Greene) Little | |authority=(Greene) Little | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Rhamnaceae;Rhamnus;Rhamnus pirifolia | |hierarchy=Rhamnaceae;Rhamnus;Rhamnus pirifolia | ||
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name=Rhamnus pirifolia | name=Rhamnus pirifolia | ||
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|authority=Greene | |authority=Greene | ||
|rank=species | |rank=species | ||
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|publication year=1896 | |publication year=1896 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_535.xml |
|genus=Rhamnus | |genus=Rhamnus | ||
|species=Rhamnus pirifolia | |species=Rhamnus pirifolia | ||
Latest revision as of 19:16, 5 November 2020
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. Sepals 4. Petals 0. Drupes red, globose, 6–8 mm; stones 2.
Phenology: Flowering (Jan–)Feb–Jun.
Habitat: Steep slopes, canyon walls and bottoms, dunes, grasslands, coastal sage scrub, chaparral, pine woodlands.
Elevation: 10–500 m.
Distribution
Calif., 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.
Selected References
None.