Abronia latifolia |
Abronia pogonantha |
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coastal sand-verbena, yellow sand-verbena |
Mohave sand verbena, Mojave sand verbena |
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Habit | Plants perennial. | Plants annual. |
Stems | prostrate, often buried in sand, usually much branched, forming large mats, succulent, densely glandular-pubescent to glabrous. |
decumbent to ascending, little to moderately branched, elongate, glandular-pubescent. |
Leaves | 1–6 cm; blade deltate-ovate to reniform, 2.2–4.8 × 2.7–5.2 cm, margins usually entire, sometimes slightly repand and undulate, surfaces glabrous or viscid-puberulent. |
petiole 0.8–4 cm; blade ovate to oblong-ovate, 2–5 × 1.5–3.5 cm, margins entire to ± sinuate and undulate, surfaces glandular-pubescent. |
Inflorescences | peduncle longer than subtending petiole; bracts ovate, 5–9 × 3–5 mm, thin, yellowish green, glandular-pubescent; flowers 17–35. |
peduncle longer than subtending petiole; bracts lanceolate to broadly ovate, 4–9 × 1.8–6 mm, papery, puberulent to glandular-pubescent, often villous basally; flowers 12–24. |
Perianth | tube yellowish green, 6.5–18 mm, limb yellow, 8–13 mm diam., lobes slightly to moderately reflexed. |
tube rose red, at least basally, 10–20 mm, limb white to pink, 6–8 mm diam. |
Fruits | winged, ± rhombic in profile, attenuate at both ends, 8–15 × 6–14 mm, scarious; wings 4–5, thin walled, small, cavities extending into wing. |
winged, broadly cordate or ± round in profile, 4–6 × 4–6 mm, coriaceous, apex deeply notched with small beak; wings 2(–3), infrequently partially folded together, without dilations, interior spongy. |
Abronia latifolia |
Abronia pogonantha |
|
Phenology | Flowering spring–summer. | Flowering spring–summer. |
Habitat | Sandy soils, coastal scrub, lees of dunes adjacent to strand | Sandy soils, Joshua tree desert scrub |
Elevation | 0-50 m (0-200 ft) | 100-1600 m (300-5200 ft) |
Distribution |
CA; OR; WA; BC
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CA
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Discussion | S. S. Tillett (1967) considered plants of Abronia umbellata var. minor (Standley) Munz to be introgressants between A. latifolia and A. umbellata. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 4, p. 68. | FNA vol. 4, p. 66. |
Parent taxa | Nyctaginaceae > Abronia | Nyctaginaceae > Abronia |
Sibling taxa | ||
Name authority | Eschscholtz: Mém. Acad. Imp. Sci. St. Pétersbourg Hist. Acad. 10: 281. (1826) | Heimerl: Bot. Jahrb. Syst. 11: 87, plate 2, fig. 4. (1889) |
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