TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
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).
Annual, perennial herb, generally glandular
Stem prostrate to ascending, generally ± red
Leaf generally fleshy, petioled
Inflorescence: head or umbel; flowers opening together or outer first; receptacle conic, ± smooth
Flower: perianth salverform to trumpet-shaped, generally fragrant, lobes 45; stamens 45, included; stigma linear, included
Fruit: body fusiform; lobe-like wings (0)25 (if present, prominent, opaque, thick, not continuous above fruit body)
Species in genus: 25 species: w North America
Etymology: (Greek: graceful)
[Galloway 1975 Brittonia 27:328347] Closely related to Tripterocalyx.
Native |
Annual, glandular-hairy
Stem prostrate, < 1 m
Leaf: petiole 1035 mm; blade 2045 cm, thin, oblong or elliptic, edges scalloped or wavy
Inflorescence: peduncle 210 cm; bracts 610 mm, ovate; flowers 1324
Flower: perianth tube 617 mm, ± white or pink, limb 716 mm wide, light magenta to purplish red
Fruit 611 mm, glandular-hairy; wings 5, thin, broadly rounded, extending above top of fruit body, base of floral tube not forming a prominent hard beak at top of fruit body
Ecology: Sandy soil
Elevation: < 500 m.
Bioregional distribution: South Coast (San Diego Co.), s Sonoran Desert
Distribution outside California: nw Mexico
Intergrades with A. umbellata , A. villosa
Horticultural information: sand, DRN, DRY, SUN: 24.