Abronia angustifolia

Greene

Pittonia 3: 344. 1898

Synonyms: Abronia angustifolia var. arizonica (Stan dley) Kearney & Peebles Abronia torreyi unknown
Treatment appears in FNA Volume 4. Treatment on page 65. Mentioned on page 62, 64.
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Illustrator: Bee F. Gunn
Plants annual (perennial). Stems decumbent to ascending, much branched, elongate, often reddish, glandular-pubescent, viscid. Leaves: 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 oblong-lanceolate, 5–10 × 1–3 mm, papery, glandular-pubescent; flowers 10–30. Perianth: tube pink, 10–20 mm, limb bright magenta to pale pink, infrequently pale rose, 6–8 mm diam. Fruits 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.

Phenology: Flowering spring–fall.
Habitat: Sandy soils, desert scrub
Elevation: 300-1300 m

Distribution

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Ariz., N.Mex., Tex., n Mexico (Chihuahua, Coahuila).

Discussion

Plants on gypsum flats and knolls of White Sands, New Mexico, are perennial, but may flower in their first season.

References

None.

Lower Taxa

No lower taxa listed.