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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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[Perennial] shrub, tree, generally erect, often thorny.
Leaf: simple, generally alternate, often clustered on short- shoots; stipules generally present, occasionally modified into spines; generally petioled; blade pinnate-veined or 1–5-ribbed from base.
Inflorescence: cyme, panicle, umbel, or flowers 1 or clustered in axils or on short- shoots.
Flower: generally bisexual, radial; hypanthium subtending, surrounding, or partly fused to ovary; sepals 4–5; petals 0, 4–5, generally clawed; stamens 0, 4–5, alternate sepals, attached to hypanthium top, each generally fitting into a petal concavity; disk (0 or) between stamens, ovary, thin to fleshy, entire or lobed, free from ovary, adherent or fused to hypanthium; ovary superior or ± inferior, chambers 2–4, 1–2-ovuled, style 1, stigma entire or 2–3-lobed.
Fruit: capsule, drupe.
50–52 genera, 950 species: especially tropics, subtrop; some cultivated (Ceanothus; Frangula; Rhamnus; Ziziphus). [Richardson et al. 2000 Amer J Bot 87:1309–1324] —Scientific Editors: Steve Boyd, Thomas J. Rosatti.
Unabridged references: [Brizicky 1965 J Arnold Arbor 45:439–463; Richardson et al. 2000 Kew Bull 55:311–341]
Key to Rhamnaceae
Stem: branches dense, opposite, rigid, green; twigs spreading, jointed at base, thorn-tipped, glabrous to puberulent.
Leaf: opposite, clustered in axils or not, early- deciduous; stipules ± triangular, black, shiny; blade entire, 1–3-ribbed from base.
Inflorescence: small axillary clusters; pedicel generally white to green-white.
Flower: hypanthium bowl-shaped, generally white to green-white; sepals 5, triangular, persistent; petals 5, spoon-shaped, white; stamens 5; disk fused to hypanthium, 5-angled, fleshy, generally white to green-white; ovary superior, chambers 3, 1-ovuled, stigma 3-lobed.
Fruit: capsule, spheric, explosively dehiscent.
2 species: CA, TX, Mex. (Adolphe T. Brongniart, student of Rhamnaceae, 1801–1876)
Plant < 1.5 m.
Stem: twigs stout.
Leaf: petiole 2–4 mm; blade, 3–12 mm, elliptic-oblong to obovate, base wedge-shaped, tip obtuse to acute.
Flower: hypanthium 3 mm wide; petals 2 mm.
Fruit: ± 5 mm.
Coastal scrub, chaparral; < 400 m. South Coast, Peninsular Ranges;
Previous taxon: Adolphia
Next taxon: Ceanothus
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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|Bioregions in which taxon occurs||Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.|
Chart based on elevation range in Manual and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
| Data provided by the participants of the Consortium of California Herbaria.
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