|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).
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.
Annual, ± glabrous to glandular-hairy
Stem prostrate, > 1 m
Leaf: petiole 16 cm, slender; blade 1570 mm, 850 mm wide, ovate to ± diamond-shaped
Inflorescence: peduncle 2.515 cm, slender, generally erect in fruit; bracts 57 mm, lanceolate to ovate; flowers 827
Flower: perianth tube 616 mm, ± green or red, limb 616 mm wide, light to bright magenta
Fruit 712 mm, glandular-hairy at top, glabrous below, angled or with 25 (generally 4) wings broadly rounded above the top of fruit body
Ecology: Disturbed sandy areas, coastal dunes and scrub
Elevation: < 100 m.
Bioregional distribution: North Coast, Central Coast, South Coast
Distribution outside California: to Washington, Baja California
Hybrids with A. maritima : subsp. alba (Eastw.) Munz; subsp. platyphylla (Standley) Munz; subsp. variabilis (Standley) Munz. Hybridizes also with A. latifolia.