S2
Imperiled
Senecio warnockii (Warnock's ragwort)
Hemispherical subshrubs, 20-40 cm high, with many straight, generally unbranched, stems from a woody base; unevenly woolly-tomentose on stems and leaves, older growth sometimes becoming glabrous; leaves alternate, linear or filiform, 2-7 cm long and ...
Silene plankii (Plank's Catchfly)
Low perennial, from multicipital caudex; stems ascending, 10-15 cm high, finely retrorsely grayish puberulent, becoming glandular in the inflorescence; basal and lowest stem leaves usually withered at anthesis; stem leaves 5-8 pairs, linear, acuminat...
Silene thurberi (Thurber Campion)
Perennial; stems several from woody crown, 2-5 dm tall, usually freely branching, puberulent and glandular, at least in inflorescence; basal leaves puberulent, oblanceolate, (5)10-18 cm long, 1-2 cm wide, attenuate to long petioles; cauline leaves 1-...
Solidago correllii (Guadalupe Mountains Goldenrod)
Sub-rhizomatous clumped perennial herb; stem 3-7 dm long, ascending to erect; upper stems sparsely to densely hirsute, eglandular; leaves alternate, lanceolate, 3-6 cm long, 4-7 mm wide, narrowly lanceolate to linear-lanceolate on the upper plant; in...
Spiranthes magnicamporum (Great Plains Lady's Tresses)
Plants 7–60 cm. Roots few, descending, tuberous, mostly to 0.8 cm diam. Leaves fugaceous or rarely persisting to anthesis, basal, ascending, linear-lanceolate to oblanceolate, to 16 × 1.5 cm. Spikes usually very tightly spiraled, 3–4 flowers per cycl...
Stipa curvifolia (Guadalupe Needle Grass)
Tufted perennial; stems 2-6(10) dm tall; leaves clustered in the lower half; blades tightly involute, minutely velvety-hairy, curling and straw-colored in age, 5-20 cm long; inflorescences spike-like, 4-10 cm long at the tips of the flowering shoots;...
Streptanthus sparsiflorus (Guadalupe Jewelflower)
Annual, glabrous throughout; stems and leaves glaucous (bluish); stems 3-6 dm tall, simple below, branched from about 1 dm upward; leaves somewhat fleshy, greenish and minutely punctate above, slate-colored and nonpunctate below; lower stem leaves se...
Talinum longipes (Pink Flower Flameflower)
Stems mostly grayish in color; sepals usually obtuse, without purple coloring, these deciduous sepals in fruit; petals are white to pale pink, five in number; stamens magenta are usually 10 (but may be fewer); flowers open at dusk; fruit are rounded,...