Cordylanthus wrightii

A. Gray

in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 120. 1859.

Synonyms: Adenostegia wrightii (A. Gray) Greene
Treatment appears in FNA Volume 17. Treatment on page 678. Mentioned on page 670, 671.

Stems erect or ascending, 20–90 cm, puberulent and glandular-puberulent or scabrous, often glabrate. Leaves puberulent or glandular-puberulent, often glabrescent; proximal 20–35 mm, margins 3–7 lobed, lobes 0.5–1.5 mm wide; distal 10–20 mm, margins entire or 3-lobed. Inflorescences capitate spikes, 2–12-flowered, 20–40 mm; bracts 2–10, green or purple distally, 15–30 mm, margins (4 or)5–9-lobed, lobes linear. Pedicels: bracteoles 15–30 mm, margins toothed or lobed. Flowers: calyx lanceolate, 20–25 mm, tube 3–4 mm, apex 2-fid, cleft 1–2 mm; corolla bright or pale yellow or lavender-pink with purple markings, 20–30 mm, throat 6–8 mm diam., abaxial lip 5–8 mm, ca. equal to and appressed to adaxial; stamens 4, filaments hairy, fertile pollen sacs 2 per filament, equal. Capsules oblong, 10–15 mm. Seeds 15–20, brown, oblong-ovoid, 2–2.5 mm, reticulate.

Distribution

Ariz., Colo., N.Mex., Tex., Utah, n Mexico.

Discussion

Subspecies 3 (3 in the flora).

Selected References

None.

Key

1 Spikes 2–4-flowered; bracts 2 or 3. Cordylanthus wrightii subsp. wrightii
1 Spikes 5–12-flowered; bracts 4–10. > 2
2 Bracteole margins pinnately lobed; stems puberulent and glandular-puberulent to glabrate. Cordylanthus wrightii subsp. kaibabensis
2 Bracteole margins toothed distally; stems scabrous. Cordylanthus wrightii subsp. tenuifolius