familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusNemacaulis
speciesNemacaulis denudata
Show Lower Taxa
Nemacaulis denudata
J. Acad. Nat. Sci. Philadelphia, n. s. 1: 168. 1848.
Illustrated
Synonyms: Eriogonum nemacaulis S. Stokes
Treatment appears in FNA Volume 5. Treatment on page 441.
Plants 0.4–2.5(–4) × 0.2–8 dm. Leaf blades 1–8 × 0.1–1.5 cm. Inflorescences 0.3–3 × 2.8 dm; branches (2–)4–10 at first node, 1–2(–3) thereafter; bracts 1–5 × 0.5–2 mm. Peduncles 0.1–3 mm or absent. Involucral bracts (1.5–)2–4 × 0.5–2 mm. Flowers: perianth 0.5–1.5 mm; filaments 0.5–1 mm; anthers 0.2 mm. Achenes 1 mm.
Distribution
Ariz., Calif., nw Mexico.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Flowers (5-)12-30 per involucre; peduncles usually absent; involucral bracts dark red, white-tomentose; stems prostrate to decumbent; leaf blades usually spatulate, sometimes linear; outer tepals broadly obovate to ovate; coastal beaches | Nemacaulis denudata var. denudata |
| 1 | Flowers 5(-12) per involucre; peduncules usually present; involucral bracts light brown to yellowish green, tawny-tomentose; stems ascending to erect; leaf blades usually linear or narrowly spatulate; outer tepals linear to oblong; coastal and inland deserts | Nemacaulis denudata var. gracilis |