Abronia turbinata |
Abronia fragrans |
|
---|---|---|
annual abronia, trans montane abronia, trans montane sand verbena |
fragrant verbena, fragrant white sand-verbena, heart's-delight, snowball 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. |
procumbent to semierect, slightly to moderately branched, elongate, sometimes reddish at base and nodes, 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 0.5–8 cm; blade ovate to triangular or lanceolate, 3–12 × 1–8 cm, margins entire to subsinuate and slightly undulate, adaxial surface glandular-pubescent, abaxial surface more densely and longer pubescent, or sometimes villous. |
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 linear-lanceolate to oval-ovate, 7–25 × 2–12 mm, scarious, glandular-puberulent to short villous; flowers 30–80. |
Perianth | tube greenish to coral pink, 6–18 mm, limb white to pale pink, 5–8 mm diam. |
tube greenish to reddish purple, 10–25 mm, limb white, (2–)6–10 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. |
winged or not, fusiform and appearing deeply grooved when wingless, when wings not distorted, fruit ± cordate in profile, tapered at base, with prominent beak in broad notch at apex, 5–12 × 2.5–7 mm, indurate, rugose veined or, if wings distorted, fruit ± rhombic in profile and tapered at both ends, or obdeltate and truncate at apex, with prominent beak; wings 4–5, thick, narrow, not dilated at apex, cavities extending throughout; peripheral fruits often distorted, S-shaped in lateral view. |
Abronia turbinata |
Abronia fragrans |
|
Phenology | Flowering spring–fall. | Flowering spring–fall. |
Habitat | Sandy soils, desert scrub | Dry sandy soils, scrub and grasslands |
Elevation | 900-2500 m (3000-8200 ft) | 400-2000 m (1300-6600 ft) |
Distribution |
CA; NV; OR
|
AZ; CO; KS; MT; ND; NE; NM; OK; SD; TX; UT; WY; Mexico (Chihuahua)
|
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) | Nuttall ex Hooker: Hooker’s J. Bot. Kew Gard. Misc. 5: 261. (1853) |
Web links |