|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.
Perennial, fleshy, finely glandular-hairy; root deep, thick
Stem prostrate, < 2 m; branches short, forming a dense mat
Leaf: petiole 16 cm; blade 25 cm, broadly ovate to reniform, thick
Inflorescence: peduncle 16 cm; bracts 59 mm, ovate; flowers 1734
Flower: perianth tube 912 mm, yellow, limb 813 mm wide
Fruit 815 mm, net-veined, glabrous or ± hairy, tapered to base and tip; wings 0 or 5
Ecology: Coastal dunes and in coastal scrub
Elevation: < 100 m.
Bioregional distribution: North Coast, Central Coast, n South Coast (Santa Barbara Co.)
Distribution outside California: to British Columbia
Hybridizes with A. maritima, A. umbellata.
Horticultural information: sand, DRN, DRY, SUN: 5, 17, 24.