Chloropyron maritimum

(Nuttall ex Bentham) A. Heller

Muhlenbergia 3: 133. 1907.

Selected by author to be illustrated
Basionym: Cordylanthus maritimus Nuttall ex Bentham in A. P. de Candolle and A. L. P. P. de Candolle Prodr. 10: 598. 1846
Treatment appears in FNA Volume 17. Treatment on page 666. Mentioned on page 667.
Revision as of 18:27, 24 September 2019 by FNA>Volume Importer

Stems erect, spreading, or decumbent, 10–40 cm, puberulent or villous, sometimes glabrescent, hairs glandular and eglandular. Leaf blades narrowly lanceolate, 5–30 × 2–8 mm, margins entire. Spikes 2–9 cm; bracts often purple distally, lanceolate to oblong-lanceolate, 15–30 mm, margins entire or distally 2-toothed. Flowers: calyx 15–25 mm; corolla white to pale yellow or pale pink, 15–25 mm, lobes 4–5 mm, often marked with red-brown or purple-red lines; stamens 4, proximal with 2 pollen sacs, distal pair with 1 pollen sac and 1 infertile appendage; staminodes 0. Capsules narrowly ovoid, 6–10 mm. Seeds 10–40, dark brown, ovoid to reniform, 1–3 mm, without abaxial crest.

Distribution

w United States, nw Mexico.

Discussion

Subspecies 3 (3 in the flora).

There are intermediates between the subspecies (T. I. Chuang and L. R. Heckard 1973).

Selected References

None.

Key

1 Seeds 25–40, 1–1.5 mm; galeas yellow to yellow-green. Chloropyron maritimum subsp. canescens
1 Seeds 10–20, 1.5–3 mm; galeas purple-red, brown-red, or pink. > 2
2 Stem branches: distal usually overtopping central spike; galeas purple-red or brown-red. Chloropyron maritimum subsp. maritimum
2 Stem branches not overtopping central spike; galeas pink or purple-red. Chloropyron maritimum subsp. palustre