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

Key to Cordylanthus

View taxon page for Cordylanthus

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

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

1. Mature corolla generally > 3 × longer than wide; seed netted; especially GB and D in sagebrush or juniper scrub

2. Calyx divided to base; corolla ± dusty yellow, often marked maroon ..... C. ramosus

2' Calyx tube 1–4 mm; corolla generally pink to maroon (± yellow)

3. Fertile stamens 2; calyx divided ± 1/3 – Wrn ..... C. capitatus

3' Fertile stamens 4; calyx shallowly notched

4. Plant canescent, not glandular-sticky; outer bracts 3–7-lobed ..... C. eremicus

5. Outer bracts sparsely scabrous, tips thickened, maroon ..... subsp. eremicus

5' Outer bracts distinctly bristly, tips not thickened, green ..... subsp. kernensis

4' Plant densely glandular-sticky; outer bracts generally 3- or 5-lobed

6. Inflorescence, 2–3 cm; corolla lips ± equal; inner  pinnately lobed; s MP, SNE ..... C. kingii subsp. helleri

6' Flowers 1 or 2–4 in loose clusters; lower corolla lip << upper; inner bract generally ; e DMtns ..... C. parviflorus

1' Mature corolla 2–3 × longer than wide; seed finely wavy-striate; especially CA-FP in foothill woodland

7. Outer bracts fan-shaped, shallowly 3–7-lobed; inner bract and calyx tips rough-papillate; corolla 8–9 mm, pouch sides yellow – serpentine, NCoR ..... C. pringlei

7' Outer bracts entire to deeply 3-lobed; inner bract and calyx tips scabrous to ; corolla 10–20 mm, pouch sides ± white

8. Anther sac 1 (+ bearded vestige) per stamen; calyx tube ± 1 mm; outer bracts 3-lobed, < flower – s SNH, TR, PR ..... C. nevinii

8' Anther sacs 2 per stamen; calyx generally divided to base (except Cordylanthus rigidus); outer bracts entire or 3-lobed, generally >= flower

9. Plant ± bristly (except Cordylanthus rigidus subsp. littoralis), hairs generally not glandular; flowers 5–15 in ± dense clusters; calyx tube 1–2 mm; corolla maroon in U-shape on lower side ..... C. rigidus

10. Outer bract < flower, generally 5–10 mm, middle   – s SNH ..... subsp. brevibracteatus

10' Outer bract generally > flower, 10–20 mm, middle lobe  to 

11. Middle lobe of outer bract linear, tip wider, notched, thickened, maroon, marginal bristles > 2 × lobe width – SCoRO, SW ..... subsp. setiger

11' Middle lobe of outer bract generally lanceolate or oblong, tip generally not wider, marginal bristles ± = lobe width

12. Plant puberulent or soft-hairy; outer bract weakly  and puberulent, tip of middle lobe dunes, c&s CCo ..... subsp. littoralis

12' Plant bristly; outer bracts ± scabrous, tip of middle lobe tapered or blunt and notched; especially chaparral, woodland, c&s SN, CW (except n SnFrB), WTR, SnGb ..... subsp. rigidus

9' Plant soft-hairy, becoming glabrous, hairs glandular or not; flowers 1–7 in loose clusters; calyx divided to base; corolla veined, streaked or blotched maroon

13. Stem , branches  < 15 cm; outer bracts 3-lobed near base – serpentine, ne SnFrB ..... C. nidularius

13' Stem , branches ascending generally > 20 cm; outer bracts entire or 3-lobed in distal 2/3

14. Main stem densely puberulent (partly glandular) and long-soft-hairy; tips of outer bracts (or middle lobes) > 1.5 mm wide, longest hairs 2–3 mm; corolla barely marked maroon ..... C. pilosus

15. Outer bracts entire (tip wider,  to 2-notched); NCoR, n SnFrB ..... subsp. pilosus

15' Outer bracts 3-lobed; CaRF, n&c SNF

16. Outer bracts lobed in distal 1/3, lateral  < 3 mm; corolla >= calyx and inner bract ..... subsp. hansenii

16' Outer bracts lobed in proximal 1/2; lateral lobes > 3 mm; corolla < calyx and inner bract ..... subsp. trifidus

14' Main stem ± glabrous to sparsely long-hairy or ± glandular; tips of outer bracts (or middle lobes) < 1.5 mm wide, longest hairs < 2 mm; corolla heavily blotched maroon ..... C. tenuis

17. Stem glabrous or minutely puberulent; leaves (or lobes) thread-like, tightly folded up, generally ± glabrous; serpentine outcrops – s NCoR

18. Outer bracts entire; stems minutely and sparsely glandular, especially proximal to flowers ..... subsp. brunneus

18' Outer bracts 3-lobed; stems ± glabrous (not glandular proximal to flowers) – sw NCoRO ..... subsp. capillaris

17' Stem generally puberulent and long-hairy, sometimes glandular; leaves (or lobes) linear to ± oblong, flat to channeled, puberulent and generally glandular; generally not on serpentine

19. Flowers 3–7 in dense clusters; outer bracts generally 3-lobed, densely soft-hairy; longest hairs of inner bract > 2 mm; s SNH ..... subsp. barbatus

19' Flowers 1–6 in loose clusters; outer bracts entire or 3-lobed, ± stiff-hairy; longest hairs of inner bract < 1 mm

20. Outer bracts entire ..... subsp. tenuis

20' Outer bracts 3-lobed

21. Bracts and calyx yellow-green, puberulent, weakly glandular; flowers generally 3–6 per cluster – CaRH ..... subsp. pallescens

21' Bracts and calyx green or maroon-tinged, glandular, puberulent and with long, stiff hairs; flowers 1–3 per cluster ..... subsp. viscidus


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