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

Key to Lithophragma

View taxon page for Lithophragma

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

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

1. Cauline leaves 2,  ..... L. cymbalaria

1' Cauline leaves >= 1, 

2. Hypanthium long-obconic, base acutely  to ovary > 1/2-inferior

3. Basal leaves lobed ± 1/2 or less to base; most proximal cauline  3-lobed; petals white ..... L. affine

3' Basal leaves deeply lobed (> 3/4 to base) to 3-parted; most proximal cauline leaf 3-parted; petals white or pink ..... L. parviflorum

4. Hypanthium ± 2 × longer than wide; flower not fragrant; petals white or pink ..... var. parviflorum

4' Hypanthium 3–4 × longer than wide; flower fragrant; petals pink ..... var. trifoliatum

2' Hypanthium hemispheric to bell-shaped, base , rounded, or obtusely tapered to pedicel; ovary superior or < 1/2-inferior

5. Basal leaves 3-parted or deeply 3-lobed (> 1/2 to base); petals white or pink

6. Plant 40–60 cm; petals white; s ChI (San Clemente Island) ..... L. maximum

6' Plant 8–30 cm; petals pink, occasionally white; mainland

7. Petal  deep, 3–5; inflorescence often with  in axils of proximal bractsseed spiny ..... L. glabrum

7' Petal lobes shallow, generally 5–7; inflorescence without bulblets; seed smooth ..... L. tenellum

5' Basal leaves ± shallowly lobed (< 1/2 to base); petals white

8. Petals obovate, lobes 3;  bell-shaped, base truncate; inflorescence often with bulblets in axils of distal bracts ..... L. heterophyllum

8' Petals ovate-elliptic,  or lobes > 3; hypanthium hemispheric to bell-shaped, base obtusely tapered to round; inflorescence bulblets generally 0

9. Petals , entire or ± lobed, lobes ± equal (sometimes tooth-like); hypanthium hemispheric; ovary < 1/2-inferior; leaf teeth ± round ..... L. bolanderi

9' Petals ± , ± lobed, lobes ± unequal (becoming smaller and tooth-like near base); hypanthium broadly bell-shaped; ovary superior; leaf teeth ± sharp ..... L. campanulatum



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 .

We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.