EcoFlora - Tetradymia filifolia

Tetradymia filifolia Greene
Family: Asteraceae Thread-Leaf Horsebrush	FNA Resources John L. Strother in Flora of North America (vol. 20) Shrubs, 1-5+ dm. Stems 1-5+, erect, unarmed, tomentose to glabrescent. Leaves: primaries linear-subulate, 5-20+ mm, floccose, sometimes glabrate; secondaries linear-filiform, 3-15 mm. Heads 3-7. Peduncles 3-15 mm. Involucres turbinate, 7-10 mm. Phyllaries 4, lanceolate to obovate. Florets 4; corollas cream to bright yellow, 9-10 mm. Cypselae 3-5 mm, hirsute; pappi of 100-130 (distally dilated) bristles 6-8 mm. 2n = 120. Flowering summer. Pinyon-juniper woodlands, sometimes gypseous soils; 1500-1800 m; N.Mex.
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