Abronia turbinata |
Abronia angustifolia |
|
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annual abronia, trans montane abronia, trans montane sand verbena |
purple sand verbena |
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Habit | Plants annual, infrequently perennial. | Plants annual (perennial). |
Stems | decumbent to ascending, much branched, elongate, reddish at least basally, glandular-pubescent, rarely glabrous or viscid-pubescent. |
decumbent to ascending, much branched, elongate, often reddish, glandular-pubescent, viscid. |
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 1–7 cm; blade ovate-oblong to elliptic, 1–5.5 × 0.7–3 cm, margins entire to sinuate, often ± undulate, infrequently shallowly lobed, surfaces viscid-pubescent. |
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 oblong-lanceolate, 5–10 × 1–3 mm, papery, glandular-pubescent; flowers 10–30. |
Perianth | tube greenish to coral pink, 6–18 mm, limb white to pale pink, 5–8 mm diam. |
tube pink, 10–20 mm, limb bright magenta to pale pink, infrequently pale rose, 6–8 mm diam. |
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. |
broadly obdeltate in profile, 5–10 × 4–8 mm, scarious, apex narrowly tapered to a prominent beak; wings 5, extending to or slightly beyond base of beak, truncate, with conspicuous dilations, cavities extending throughout. |
Abronia turbinata |
Abronia angustifolia |
|
Phenology | Flowering spring–fall. | Flowering spring–fall. |
Habitat | Sandy soils, desert scrub | Sandy soils, desert scrub |
Elevation | 900-2500 m (3000-8200 ft) | 300-1300 m (1000-4300 ft) |
Distribution |
CA; NV; OR
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AZ; NM; TX; n Mexico (Chihuahua, Coahuila)
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Discussion | Plants on gypsum flats and knolls of White Sands, New Mexico, are perennial, but may flower in their first season. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 4, p. 66. | FNA vol. 4, p. 65. |
Parent taxa | Nyctaginaceae > Abronia | Nyctaginaceae > Abronia |
Sibling taxa | ||
Synonyms | A. angustifolia var. arizonica, A. torreyi | |
Name authority | Torrey ex S. Watson: Botany (Fortieth Parallel), 285, plate 31, figs. 1–5, 8, 9. (1871) | Greene: Pittonia 3: 344. (1898) |
Web links |