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1. Nemacaulis denudata Nuttall, J. Acad. Nat. Sci. Philadelphia. n. s. 1: 168. 1848.
Eriogonum nemacaulis S. Stokes
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.
Varieties 2 (2 in the flora): sw United States, nw Mexico.
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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 |
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1a var. denudata |
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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 |
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1b var. gracilis |
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