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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, subshrub, [shrub, tree], glabrous or hairy. Stem: often forked. Leaf: opposite, sessile or petioled, pairs generally unequal; blade generally entire. Inflorescence: generally forked; spike, head-like cluster, or umbel, flowers rarely 1, bracts forming a calyx-like involucre or not. Flower: bisexual, generally ± radial (bilateral), sometimes cleistogamous in some genera; perianth of 1 whorl, generally petal-like, bell- to trumpet-shaped, base hardened, tightly surrounding ovary in fruit, lobes 3–5, generally notched to ± lobed; stamens 1–many; ovary superior (appearing inferior due to hardened perianth base), style 1. Fruit: achene in hardened perianth base; round to ± flat; smooth, angled, ribbed, or winged; glabrous, hairy, or glandular.
30 genera, 350 species: warm regions, especially America; some ornamental (Bougainvillea; Mirabilis, four o'clock). [Spellenberg 2003 FNANM 4:14–17] —Scientific Editor: Thomas J. Rosatti.
Key to Nyctaginaceae
Perennial herb, subshrub. Stem: repeatedly forked, decumbent to erect. Leaf: generally petioled. Inflorescence: branches ending in umbel-like cluster or solitary flowers; bracts 5(9), ± fused (or not) into calyx-like, bell- to saucer-shaped involucre; flowers in 1 involucre 1–16, generally not blooming together; flowers cleistogamous or not. Flower: radial or ± bilateral; perianth funnel- to bell-shaped, lobes 5; stamens 3–5, generally exserted; stigma ± spheric, generally exserted. Fruit: ± round to club-shaped; ribs or angles 0, 5, 10; wings 0.Key to Mirabilis
± 60 species: America, Himalayas. (Latin: wonderful) [Spellenberg 2003 FNANM 4:40–57] Flowers open in evening, close in morning; species intergrade, taxonomy unsettled.
Stem: erect, < 1 m, hairs 0 or sparse, short. Leaf: blade 5–14 cm, ovate to cordate. Inflorescence: ± terminal, short-peduncled, umbel-like clusters; involucre bell-shaped, 1-flowered; bracts 5, 5–15 mm, 1/2–3/4 fused. Flower: perianth 30–50 mm, narrowly funnel-shaped, generally bright magenta (yellow, white, orange, or variegated). Fruit: 8–10 mm, ovoid, hairs 0 to minute; ribs 5, blunt, ± wrinkled or warty between.
2n=54. Disturbed places with mild winters; < 300 m. California Floristic Province (especially San Francisco Bay Area); native to tropical America. TOXIC: Intestinal irritant in fruit, roots. Cult as ornamental with many perianth colors, some escaping, possibly hybridizing. Generally May–Oct [Online Interchange]
Previous taxon: Mirabilis greenei
Next taxon: Mirabilis laevis
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 22 2014
Citation for this treatment: [Author of taxon treatment] 2013. Mirabilis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=81819, accessed on Jul 22 2014
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