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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual, perennial herb, shrub, generally fleshy. Stem: underground to erect; root fibrous or tuberous. Leaf: generally simple, entire, flat, cylindric, 3-angled, or scale-like, generally cauline, generally opposite; stipules generally 0; blade papillate, pubescent, or generally glabrous, often glaucous. Inflorescence: cyme or 1-flowered, generally terminal. Flower: generally bisexual, radial; hypanthium present; sepals (3)5(8), often unequal; petals 0 or many in several whorls, free or fused at base, linear; stamens 1–many, free or fused in groups, outer often petal-like; nectary a ring or separate glands; pistil 1, ovary superior to inferior, chambers 1–20, placentas generally parietal, styles 0–20. Fruit: berry, nut, or generally capsule, opening by flaps or circumscissile. Seed: 1–many per chamber, generally ovoid, arilled or not.
130 genera, 2500 species: generally subtropics, especially southern Africa; many cultivated. [Hartmann 2002 Illus Handbook Succulent Plants Aizoaceae A-E (Vol 1) and F-Z (Vol 2). Springer; Vivrette et al. 2003 FNANM 4:75–91] Galenia pubescens (Eckl. & Zeyh.) Druce, a waif, may be naturalizing in southern California. —Scientific Editors: Bruce G. Baldwin, Thomas J. Rosatti.
Unabridged references: [Ferren et al. 1981 Madroño 28:80–85; Smith 1998 Mesembs of the World. Briza.]
Unabridged note: Disphyma crassifolium (L.) L. Bolus (ovary glands convex, minute-crenate; stigmas dense-plumose; fruit chambers 5; seeds ovate, ± smooth), of tribe Ruschieae, an historical waif in California; Lampranthus coccineus (Haw.) N.E. Br.: (ovary glands fused; fruit chambers 5; seeds pear-shaped, ± black, rough), of Ruschieae, an historical waif or urban weed in California.
Key to Aizoaceae
Annual [perennial herb, subshrub]; ± papillate. Stem: prostrate. Leaf: alternate or sometimes basal opposite. Inflorescence: flowers 1 or 2–3 in cluster, axillary, ± sessile. Flower: sepals 3–5; petals 0; stamens 1–many; ovary inferior, chambers 3–9, ovule 1, styles 3–9. Fruit: nut-like, 8–10 mm diam, angled, with 2–5 horns. Seed: ± pear-shaped [reniform].
50 species: southern hemisphere. (Greek: four-angled)
Papillae widely spaced, large, crystalline. Stem: many, spreading, 3+ dm. Leaf: 2–5(10) cm; petiole winged, 1–3 cm; blade triangular-ovate, base truncate, margin entire, ± wavy. Flower: generally bisexual, self-fertile, 5 mm; sepals 4–5, spreading, ± yellow. Seed: pear-shaped, brown.
2n=32. Common. Sand dunes, bluffs, margins of coastal wetlands; < 100 m. North Coast, Central Coast, South Coast; native to southern hemisphere. [Demidovia tetragonoides Pall.; Tetragonia expansa Murray] Apr–Sep [Online Interchange]
Previous taxon: Tetragonia
Next taxon: Trianthema
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Nov 27 2015
Citation for this treatment: [Author of taxon treatment] 2013. Tetragonia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=99693, accessed on Nov 27 2015
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|Geographic subdivisions indicated for the distribution of Tetragonia tetragonoides|| 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.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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