Abronia turbinata |
Abronia macrocarpa |
|
---|---|---|
annual abronia, trans montane abronia, trans montane sand verbena |
large-fruit sand-verbena |
|
Habit | Plants annual, infrequently perennial. | Plants perennial. |
Stems | decumbent to ascending, much branched, elongate, reddish at least basally, glandular-pubescent, rarely glabrous or viscid-pubescent. |
ascending to semierect, slightly to moderately branched, elongate, glandular-pubescent to 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 0.5–4 cm; blade ovate to elliptic, 2–5 × 1.5–3.5 cm, margins entire or occasionally ± repand and slightly undulate, surfaces glandular-puberulent. |
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 ovate to elliptic, 7–13 × 4–6 mm, papery, glandular-pubescent; flowers 20–75. |
Perianth | tube greenish to coral pink, 6–18 mm, limb white to pale pink, 5–8 mm diam. |
tube pink to magenta, 18–32 mm, limb magenta, 8–10 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 turbinate or cordate in profile, 8–15 × 6–12 mm, 0.7–2 times as long as wide, scarious, with a low, conic, inconspicuous beak at apex; wings 5, often twisted, usually smooth, occasionally rugose, not reticulate veined at apex, without cavities. |
Abronia turbinata |
Abronia macrocarpa |
|
Phenology | Flowering spring–fall. | Flowering spring, opportunistically after summer rains. |
Habitat | Sandy soils, desert scrub | Sand dunes |
Elevation | 900-2500 m (3000-8200 ft) | 100 m (300 ft) |
Distribution |
CA; NV; OR
|
TX |
Discussion | Of conservation concern. Abronia macrocarpa is on the United States endangered species list; and it is in the Center for Plant Conservation’s National Collection of Endangered Plants. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 4, p. 66. | FNA vol. 4, p. 63. |
Parent taxa | Nyctaginaceae > Abronia | Nyctaginaceae > Abronia |
Sibling taxa | ||
Name authority | Torrey ex S. Watson: Botany (Fortieth Parallel), 285, plate 31, figs. 1–5, 8, 9. (1871) | L. A. Galloway: Brittonia 24: 148, fig. 1. (1972) |
Web links |