Eriogonum nealleyi
Contr. U.S. Natl. Herb. 1: 48. 1890.
Herbs, polycarpic, 5–12 dm, glabrous; taproot not chambered. Stems: caudex compact; aerial flowering-stems usually 1, not fistulose, 2–4.5 (–5) dm, glabrous. Leaves basal and cauline; basal petiolate, petiole 1–2.5 cm, strigose, blade oblanceolate to spatulate, 4–8 × 0.5–1.6 cm, strigose and grayish on both surfaces; cauline blade absent or sessile, oblanceolate, (0.5–) 1–4 × (0.2–) 0.3–0.8 cm, similar to basal blade. Inflorescences 2–7 dm; branches glabrous; bracts scalelike, 0.7–2.5 × 0.5–2 mm. Peduncles erect, straight or slightly curving upward, 1–8 cm, glabrous. Involucres turbinate-campanulate to campanulate, 2–3 × 2–4 mm, glabrous; teeth 0.5–1 mm. Flowers 1.5–2 mm at anthesis, 2.5–3 mm in fruit; perianth white to greenish white at anthesis, reddish in fruit, glabrous or sparsely strigose abaxially; tepals narrowly elliptic to oblong; stamens 2–3 mm; filaments pilose proximally. Achenes greenish brown to reddish-brown, 4–6 mm, 3-winged along distal 1/3, nearly beakless, strigose. 2n = 40.
Phenology: Flowering Jun–Sep.
Habitat: Calcareous flats and slopes, mixed grassland, saltbush, and creosote bush communities, oak woodlands
Elevation: 500-800 m
Discussion
Of conservation concern.
Historically, Eriogonum nealleyi occurred in Coke, Howard, Irion, and Sterling counties of southwestern Texas. Recent collections are from Irion and Sterling counties.
Selected References
None.
Lower Taxa
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