Cordylanthus rigidus subsp. rigidus

Endemic
Synonyms: Cordylanthus compactus Pennell C. ferrisianus Pennell C. littoralis subsp. platycephalus (Pennell) Munz C. platycephalus Pennell C. rigidus (Pennell) D. W. Taylor C. rigidus var. ferrisianus (Pennell) D. W. Taylor
Treatment appears in FNA Volume 17. Treatment on page 675. Mentioned on page 676.

Stems pubescent and hirsute, often glabrescent, hairs stiff. Spikes 5–15-flowered; proximal bracts 15–20 mm, longer than flowers, midlobes green or red distally, linear-lanceolate, 1–1.5 mm wide, apex rounded to retuse. Flowers: corolla 12–20 mm.


Phenology: Flowering Jul–Sep.
Habitat: Open, montane woodlands, chaparral margins.
Elevation: 300–2700 m.

Discussion

Subspecies rigidus is the most widespread of the subspecies, showing great variability in height, leaf shape, and amount of pubescence. It often can be recognized by its inflorescence bracts, which are rounded to retuse and longer than the flowers.

Selected References

None.

Lower Taxa

None.
Kerry A. Barringer +
(Bentham) Jepson +
Adenostegia rigida +
300–2700 m. +
Open, montane woodlands, chaparral margins. +
Flowering Jul–Sep. +
Fl. W. Calif. ed. +
Cordylanthus compactus +, C. ferrisianus +, C. littoralis subsp. platycephalus +, C. platycephalus +, C. rigidus +  and C. rigidus var. ferrisianus +
Cordylanthus rigidus subsp. rigidus +
Cordylanthus rigidus +
subspecies +