Abronia turbinata |
Abronia villosa |
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annual abronia, trans montane abronia, trans montane sand verbena |
desert sand-verbena, hairy sand verbena |
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Habit | Plants annual, infrequently perennial. | Plants annual. | ||||
Stems | decumbent to ascending, much branched, elongate, reddish at least basally, glandular-pubescent, rarely glabrous or viscid-pubescent. |
decumbent to ascending, often widely spreading, much branched in large plants, forming large, loose mats, elongate, usually with reddish tinge, glandular-pubescent to long viscid-villous. |
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Leaves | petiole 1–4.5 cm; blade broadly ovate to orbiculate, 1–5 × 0.5–3 cm, margins entire or ± repand and undulate, surfaces glabrous or sparsely glandular-pubescent. |
petiole 0.5–5 cm; blade deltate-ovate to ovate or elliptic, 1–5 × 1–4.5 cm, margins entire to sinuate and ± undulate, adaxial surface glabrous or glandular-pubescent, abaxial surface glandular-pubescent. |
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Inflorescences | peduncle longer than subtending petiole; bracts lanceolate to ovate, 3–10 × 1–5 mm, papery, puberulent to densely glandular-pubescent; flowers 15–35. |
peduncle longer than subtending petiole; bracts lanceolate to lance-ovate, 2.5–11 × 1–3 mm, papery, viscid-villous; flowers 15–35. |
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Perianth | tube greenish to coral pink, 6–18 mm, limb white to pale pink, 5–8 mm diam. |
tube pink, 10–35 mm, limb usually magenta, with light eyespot, rarely white, 6–18 mm diam. |
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Fruits | winged, turbinate, 3–8 × 3–6 mm, coriaceous, apex broadly tapered to prominent beak; wings (2–)5 (when 2, folded together) truncate distally with conspicuous dilations, cavities extending throughout. |
usually winged, ± obdeltate in profile, 5–10 × 4–15 mm, indurate, ± rugose-veined, sometimes inconspicuously so; wings 3–5, not folded, without dilations, thin, truncate distally, equaling or extending slightly beyond conic apex of fruit body, interior spongy. |
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Abronia turbinata |
Abronia villosa |
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Phenology | Flowering spring–fall. | |||||
Habitat | Sandy soils, desert scrub | |||||
Elevation | 900-2500 m (3000-8200 ft) | |||||
Distribution |
CA; NV; OR
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AZ; CA; NV; UT; nw Mexico
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 4, p. 66. | FNA vol. 4, p. 66. | ||||
Parent taxa | Nyctaginaceae > Abronia | Nyctaginaceae > Abronia | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Torrey ex S. Watson: Botany (Fortieth Parallel), 285, plate 31, figs. 1–5, 8, 9. (1871) | S. Watson: Amer. Naturalist 7: 302. (1873) | ||||
Web links |