Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Richard Spellenberg

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 4–5, generally notched to ± bilateral; stamens 1–many; 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 4–5; stamens 4–5, included; stigma linear, included
Fruit: body fusiform; lobe-like wings (0)2–5 (if present, prominent, opaque, thick, not continuous above fruit body)
Species in genus: 25 species: w North America
Etymology: (Greek: graceful)
[Galloway 1975 Brittonia 27:328–347] Closely related to Tripterocalyx.


A. maritima S. Watson

Perennial, densely glandular-hairy; roots spreading
Stem prostrate, < 2 m; branches short, erect, forming thick horizontal mat
Leaf: petiole 5–30 mm; blade 5–7 cm, thick, broadly elliptic or oblong
Inflorescence: peduncle 3–10 cm; bracts 7–11 mm, lanceolate or narrowly ovate; flowers 10–18
Flower: perianth tube 6–10 mm, limb 7–10 mm wide, deep wine-red
Fruit 10–14 mm, glandular-hairy near top, with 5 thick wings angled at top, tapered to base, coarsely net-veined
Ecology: Coastal dunes
Elevation: < 100 m.
Bioregional distribution: s Central Coast, South Coast
Distribution outside California: Baja California
Hybridizes with A. latifolia, A. umbellata.
Horticultural information: sand, DRN, DRY, SUN: 17, 24.
See the CNPS Inventory for information about endangerment and rarity.
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