|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
Perennial, shrub, tree, glabrous or hairy
Stem often forked
Leaves opposite, sessile or petioled, pairs generally unequal; blade generally entire
Inflorescence generally forked; of spikes, clusters, or umbels, each unit sometimes with a calyx-like involucre
Flower bisexual, radial; perianth of 1 whorl, petal-like, bell- to trumpet-shaped, base hardened, tightly surrounding ovary in fruit, lobes 45, generally notched to ± bilateral; stamens 1many; ovary superior (appearing inferior because of hardened perianth base), style 1
Fruit: achene or nut, smooth, wrinkled, or ribbed
Genera in family: 30 genera, 300 species: warm regions, especially Am; some ornamental (Bougainvillea ; Mirabilis , four o'clock).
Stem repeatedly forked, decumbent to erect
Leaf generally petioled
Inflorescence forked; calyx-like involucres densely clustered or solitary in axils, bell- to saucer-shaped; flowers 116 per involucre, blooming sequentially
Flower: perianth funnel- to bell-shaped, lobes 5; stamens 35, generally exserted; stigma ± spheric, generally exserted
Fruit ± round to club-shaped, smooth to 5-ribbed; wing 0
Species in genus: ± 60 species: Am, Himalayas
Etymology: (Latin: wonderful)
Fls open in evening, close in morning. Spp. intergrade; Hermidium , Oxybaphus sometimes segregated, but intergrade with other species; careful study needed. [Pilz 1978 Madroño 25:113132]
Stem erect, < 1 m, glabrous to sparsely short-hairy
Leaf: blade 514 cm, ovate to cordate
Inflorescence: clusters of involucres, short-stalked, ± terminal; involucres bell-shaped; bracts 5, 515 mm, 1/23/4 fused; flower 1 per involucre
Flower: perianth 3050 mm, narrowly funnel-shaped, generally bright magenta (yellow, white, or variegated)
Fruit 810 mm, ovoid, glabrous to minutely short-hairy; ribs 5, blunt, ± wrinkled or warty between ribs
Ecology: Disturbed places in mild-winter areas
Elevation: < 300 m.
Bioregional distribution: California Floristic Province (especially San Francisco Bay Area)
Distribution outside California: native to tropical America
cultivated as ornamental.
TOXIC: intestinal irritant in fruit, roots.