Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

Key to Hosackia

View taxon page for Hosackia

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

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

1. Leaflets 3–5; corolla 8–10 mm; plant ; NCoR ..... H. yollabolliensis

1' Leaflets (3)5–15; corolla generally 8–16 mm; plant generally  or ; if leaflets < 5, not of NCoR

2. Leaf silky or canescent, gray or silvery; fruit glabrous ..... H. incana

2' Leaf glabrous or hairy, rarely gray or silvery; fruit generally hairy if  hairy

3. Peduncle  0 or just below , generally  or 2–3-parted; fruit 1.5–3 mm wide

4. Petal claw  to ±  from calyx tube; plant often hairy ..... H. oblongifolia

5. Leaflets 3–7, glabrous; corolla 8–9 mm; n SNF (Calaveras Co.), s SNH (Tulare Co.), SNE ..... var. cuprea

5' Leaflets 7–11, hairy or glabrous; corolla 9–13 mm; CA-FP, MP, DMoj ..... var. oblongifolia

4' Petal claw exserted from calyx tube; plant ± glabrous

6. Corolla wings pink-purple, fading white; bracts generally 3-parted ..... H. gracilis

6' Corolla wings white; bracts 0 or generally simple ..... H. pinnata

3' Peduncle bract generally well below umbel, generally 3–5-parted, sometimes fragile, deciduous; fruit 3–5 mm wide

7. Hairs glandular or not; stipules often wide, leaflet-like, persistent, in age scarious or not; corolla pink to red-purple ..... H. stipularis

8. Stem wiry; stipules wide, clasping stem ..... var. ottleyi

8' Stem often fleshy; stipules narrow or wide, not or ± clasping stem ..... var. stipularis

7' Hairs generally ± 0 or , rarely glandular; stipules scarious, fragile, not leaflet-like, generally some deciduous; corolla initially white, pink, or yellow-green

9. Flowers generally 6–10; corolla 10–12 mm, white or ± pink, in age striate, darker;  2–3 mm, ± longer in fruit;  length 2–3 × width – NCo, NCoRO, n SNH ..... H. rosea

9' Flowers generally 12–20; corolla 12–17 mm, yellow-green, dark-blotched in age; pedicel generally 3–6 mm, > 3 mm at least in fruit; leaflet length generally 1–2.5 × width ..... H. crassifolia

10. Plant glabrous or ; widespread except s PR ..... var. crassifolia

10' Plant soft-hairy; s PR (Otay Mtn, San Diego Co.) ..... var. otayensis



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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