Jepson eFlora
Key to families | Table of families and genera

Key to Abronia

View taxon page for Abronia

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Stems densely cespitose or in mats < 20 cm wide; montane; perennial herb

2. Inflorescence 1–5-flowered; plant in mats; leaves cauline, blade ± round; fruit wing 0 ..... A. alpina

2' Inflorescence >= 6-flowered; plant densely tufted; leaves basal, blade oblong to ± round; fruit winged ..... A. nana var. covillei

1' Stems elongate, not cespitose, when prostrate in mats >> 25 cm; coastal, desert, or montane; annual or perennial herb

3. Perennial herb; leaf fleshy; perianth limb yellow or wine-red; coastal

4. Leaf blade ± as long as wide; perianth limb yellow ..... A. latifolia

4' Leaf blade longer than wide; perianth limb wine-red ..... A. maritima

3' Annual (perennial herb); leaf ± not fleshy; perianth limb white, pink, red, or magenta; coastal or inland

5. Fruit wings thick, hollow, inflated or ± collapsed and folded together; leaves ± glabrous (sparsely puberulent); inland, mostly desert ..... A. turbinata

5' Fruit wings thin, solid, rarely 0; leaves hairy to glandular-hairy; coastal or inland, mostly desert

6. Fruit wings 2(3); fruit broadly obcordate, with sinus at top between wings ..... A. pogonantha

6' Fruit wings generally 3–5 or 0; fruit cordate, obconic, or ovoid, with no sinus at top between wings

7. Fruit body ± smooth; immediate coast ..... A. umbellata

8. Perianth limb light to bright magenta, throat with a cream to light yellow spot; inflorescence sparse, flowers 10–18; fruit wings angled near tip ..... var. breviflora

8' Perianth limb light to dark magenta, throat with white spot; inflorescence ± dense, flowers 10–27; fruit wings broadly rounded near tip ..... var. umbellata

7' Fruit body with generally raised veins (most evident near tip); ± inland ..... A. villosa

9. Perianth tube 2–3.5 cm, limb (1)1.5–1.8 cm wide; fruit wings each with 1 prolonged, acute lobe distally ..... var. aurita

9' Perianth tube 1.3–2 cm, limb 0.6–1.2(1.5) cm wide; fruit wings each with 0 or 1 shallow, rounded lobe distally ..... var. villosa


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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