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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual to tree; generally with stellate hairs, often with bristles or peltate scales; juice generally mucilage-like; bark fibrous. Leaf: generally cauline, alternate, petioled, simple [palmate-compound], generally palmate-lobed and/or veined, generally toothed, evergreen or not; stipules persistent or not. Inflorescence: head, spike, raceme, or panicle, in panicle or not (a compound panicle), or flowers >= 1 in leaf axils, or flowers generally 1 opposite a leaf or on a spur; bracts leaf-like or not; bractlets 0 or on flowering stalks, often closely subtending calyx, generally in involucel. Flower: generally bisexual, radial; sepals 5, generally fused at base, abutting in bud, larger in fruit or not, nectaries as tufts of glandular hairs at base; petals (0)5, free from each other but generally fused at base to, falling with filament tube, clawed or not; stamens 5–many, filaments fused for most of length into tube around style, staminodes 5, alternate stamens, or generally 0; pistil 1, ovary superior, stalked or generally not, chambers generally >= 5, styles or style branches, stigmas generally 1 or 1–2 × chamber number. Fruit: loculicidal capsule, [berry], or 5–many, disk- or wedge-shaped segments (= mericarps).
266 genera, 4025 species: worldwide, especially warm regions; some cultivated (e.g., Abelmoschus okra; Alcea hollyhock; Gossypium cotton; Hibiscus hibiscus). [Angiosperm Phylogeny Group 1998 Ann Missouri Bot Gard 85:531–553] Recently treated to include Bombacaceae, Sterculiaceae, Tiliaceae. Mature fruit needed for identification; "outer edges" are surfaces between sides and back (abaxial surface) of segment. "Flower stalk" used instead of "pedicel", "peduncle", especially where both needed (i.e., when flowers both 1 in leaf axils and otherwise). —Scientific Editors: Steven R. Hill, Thomas J. Rosatti.
Unabridged references: [Alverson et al. 1999 Amer J Bot 86:1474–1486; Bayer et al. 1999 Bot J Linn Soc 129:267–303; Hill 2009 Madroño 56:104–111]
Key to Malvaceae
Annual, perennial herb to shrub, stellate-canescent, tomentose, or bristly. Stem: generally erect (decumbent). Leaf: cordate to ovate, lobes generally 0(3), crenate or toothed. Inflorescence: panicle or flowers 1 in leaf axils; bracts leaf-like or not; involucel 0. Flower: petals yellow, yellow-orange, orange-pink, to ± red; anthers at top of filament tube; stigmas head-like. Fruit: capsule-like, ± cylindric to ± spheric, segments generally not separating fully from each other or from plant, smooth-sided, dehiscent at top, generally with beak splitting in 2, walls firm to woody. Seed: 3–6(15) per segment.Key to Abutilon
200 species: warm regions. (Arabic: possibly father of mallow) [Fryxell 1988 Syst Bot Monogr 25:24–68]
Unabridged etymology: (Arabic name, possibly from abu, father of, and Persian tula or tulha, mallow)
Unabridged references: [Borssum Waalkes 1966 Blumea 14:159–177]
Subshrub, shrub, densely branched, rounded. Stem: erect, 15–20 dm; hairs stellate, sometimes also simple. Leaf: blade (2)4–8 cm, dentate, acuminate, faces densely velvety; lobes 3, obscure. Inflorescence: panicles or flowers 1 in leaf axils. Flower: calyx 9–15 mm, >= fruit; petals (10)20–25 mm, orange. Fruit: 15–16 mm diam; segments generally (7)10, ± 10 mm, 3-seeded, bristly or densely soft-hairy, beaks 1.5–2 mm, ± erect.
Uncommon. Dry, generally e-facing mountain slopes, creosote-bush scrub; 600–800 m. Sonoran Desert, adjacent Peninsular Ranges, possibly introduced South Coast; Arizona, northern Mexico. Occasionally cultivated. Mar–May [Online Interchange]
Previous taxon: Abutilon
Next taxon: Abutilon parvulum
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 16 2014
Citation for this treatment: [Author of taxon treatment] 2012. Abutilon, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=11599, accessed on Apr 16 2014
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© 2008 Christopher L. Christie
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