Synthlipsis greggii
Mem. Amer. Acad. Arts, n. s. 4: 116. 1849.
Stems few to several, (1–)2–6(–7.5) dm, densely pubescent. Basal leaves: petiole (0.7–)1.5–5(–7) cm; blade obovate to spatulate or broadly oblong, (1–)2–8(–10) cm × (5–)10–40(–60) mm, base cuneate to truncate, apex acute to subobtuse, surfaces densely pubescent. Cauline leaves shortly petiolate or (distalmost) sessile; blade similar to basal, 1–5.5(–6.5) cm × 5–25(–40) mm (smaller distally). Racemes 0.5–4 cm. Fruiting pedicels usually straight or upcurved, rarely slightly sigmoid, (4–)5–15(–20) mm. Flowers: sepals (4–)5–8 × 1.5–2 mm; petals (7–)8–11(–13) × (5–)6–9 mm, claw to 2 mm; filaments 4–6 mm; anthers 2.5–4 mm, (base strongly sagittate). Fruits (0.7–)0.8–1.2(–1.5) cm × 5–8(–9) mm, apex deeply notched; valves densely pubescent; style 2–5 mm. Seeds 1.5–2 × 1.2–1.7 mm. 2n = 20.
Phenology: Flowering Oct–May.
Habitat: Creosote bush-mesquite scrubland, grasslands, gravelly hillsides, rocky sandstone or limestone slopes, rocky flats, limestone rubble, gypsum of llano, calcareous gravel, sandy or loamy areas
Elevation: 50-2400 m
Distribution
Tex., Mexico (Chihuahua, Coahuila, Durango, Hidalgo, Nuevo León, San Luis Potosí, Tamaulipas, Zacatecas).
Discussion
Synthlipsis greggii is known from Brewster, Hidalgo, and Zapata counties.
Selected References
None.