Jepson eFlora: Key page
Vascular Plants of California
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Key to Abronia

View taxon page for Abronia

(For a list of species in Abronia, use the above link.)

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

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

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

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

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

3. Perennial herb;  fleshyperianth 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  at top between wings ..... A. pogonantha

6' Fruit wings generally 3–5 or 0; fruit , 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,   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.) . Jepson eFlora, [accessed on ]

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

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