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Key to RhamnusView taxon page for Rhamnus
(For a list of species in Rhamnus, use the above link.) Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots. 1' Leaves evergreen; sepals 4–5; fruit red, 2-stoned, or black, 3-stoned 2. Leaf blade  Expanded portion of a leaf, petal, or other structure, generally flat but sometimes rolled, cylindric, wavy, or cupped. 20–60 mm, elliptic  In the shape of a flattened circle or ellipse; wider than linear or ovate  Egg-shaped (i.e., widest below the middle) in two dimensions (i.e., in one plane), as a leaf. to lance-ovate; sepals 5; fruit black, 3-stoned – CCo (Monterey Co.), SCo (Newport Back Bay), expected elsewhere ..... [R. alaternus] 2' Leaf blade 10–40 mm, elliptic to round; sepals 4; fruit red, 2-stoned ( Rhamnus crocea complex) 3. Leaf blade <= 15 mm, flat abaxially; branches spreading  Oriented more or less perpendicularly to the axis of attachment; often, more or less horizontal. ..... R. crocea 3' Leaf blade >= 15 mm, flat to concave abaxially; branches generally ascending  Curving or angling upward from base, or about 30-60 degrees less than vertical or away from axis of attachment. 4' Leaf blade elliptic to round; shrub; mainland 5. Leaf blade glabrous or hairy abaxially, glabrous adaxially; twigs glabrous to finely hairy; CA-FP, DMtns ..... R. ilicifolia
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