S1
Critically Imperiled
Eriogonum capillare (San Carlos Wild Buckwheat)
Annual, 2-4 dm tall; leaves basal, obovate to rounded, 1-3 cm long and wide, sparsely villous to hirsute and green on both surfaces, margins entire, petioles 1-3 cm long; stems erect, 5-15 cm long, glabrous and glaucous; inflorescence open to dense, ...
Eriogonum gypsophilum (Gypsum Wild-Buckwheat)
Tufted, herbaceous, perennial, growing from a woody base; leaves basal, dark green, thick, glabrous above, sparsely hairy beneath, blade ovate to reniform, 1.0-2.0 cm long, 1.5-2.5 cm wide, petiole often longer than the blade; inflorescence an open l...
Eriogonum lachnogynum var. sarahiae (Sarah's Wild Buckwheat)
Perennial herb forming hemispheric mounds up to 3 dm across from an intricately branching caudex; leaves all basal, short-petiolate, the blade narrowly elliptic, 4-12 mm long, 1.5-4 mm wide, silky-tomentose below, green and strigose above, the margin...
Escobaria duncanii (Duncan's Corycactus)
Stems usually solitary, mostly 1-2 cm across by 1-2 cm tall, hemispherical but appearing conical due to spination; tubercles solitary with groove on upper side; spines 30-75 per areole, slender and bristle-like, spreading, to 10(22) mm long; flowers ...
Escobaria guadalupensis (Guadalupe Pincushion Cactus)
Stems mostly solitary or sometimes up to 5 in a clump, globose to obovoid, the individual stems mostly 3-5 cm thick and 4-10 cm tall; tubercles on mature stems with upper surface grooved; spines about 50-60 per areole, spreading, typically white, of...