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coastal sand-verbena, yellow sand-verbena

Mohave sand verbena, Mojave sand verbena

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
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
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.)

Source FNA vol. 4, p. 68. FNA vol. 4, p. 66.
Parent taxa Nyctaginaceae > Abronia Nyctaginaceae > Abronia
Sibling taxa
A. alpina, A. ameliae, A. ammophila, A. angustifolia, A. argillosa, A. bigelovii, A. bolackii, A. carletonii, A. elliptica, A. fragrans, A. macrocarpa, A. maritima, A. mellifera, A. nana, A. pogonantha, A. turbinata, A. umbellata, A. villosa
A. alpina, A. ameliae, A. ammophila, A. angustifolia, A. argillosa, A. bigelovii, A. bolackii, A. carletonii, A. elliptica, A. fragrans, A. latifolia, A. macrocarpa, A. maritima, A. mellifera, A. nana, A. turbinata, A. umbellata, A. villosa
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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