E
Endangered
Ipomopsis sancti-spiritus (Holy Ghost Ipomopsis)
Biennial to short-lived monocarpic perennial, erect, 3-8 dm tall; stems mostly solitary, occasionally branched from the base; basal leaves in a rosette, senescent at flowering; basal leaves ovate in outline, 3-5 cm long, pinnatifid in 9-15 linear div...
Lepidospartum burgessii (Gypsum Scalebroom)
Broomlike shrub up to 1.5 m tall; stems many-branched, covered with silvery, matted, feltlike hairs out of which protrude numerous small oil blisters; leaves needlelike, alternate, 5-12 mm long; heads 3-4, terminal on stems; flowers 3, rarely 4, per ...
Lilium philadelphicum var. andinum (Mountain Lily)
Bulbs chunky, 1.6–2.9 × 2.2–4.7 cm, 0.6–1.1 times taller than long, 2(–4) years’ growth visible; scales 1–2-segmented, longest 1.2–2.2 cm; stem roots present or absent. Stems to 1.2 m, glaucous. Buds rounded in cross section. Leaves scattered, or mos...
Linum allredii (Allred's Flax)
Long-lived perennial, suffrutescent from a woody branching base, sometimes sprouting shoots from thick, lateral roots; stems up to 25 cm tall, puberulent or glabrescent at the base and glabrous for at least the upper two-thirds; leaves linear to line...
Opuntia arenaria (Sand Prickly-Pear)
Stem consisting of loosely attached flattened joints up to 8 cm in length by 2-3 cm in width, the joints highly varied in size and shape, bearing areoles with dense clumps of yellowish glochids; rhizomes and often larger roots also often bearing gloc...
Pediocactus knowltonii (Knowlton Cactus)
Stems 1.0-2.5 cm in diameter, solitary or a few in a cluster, barely protruding above ground level; tubercles not grooved; spines about 20 per areole, all radials, radiating from areole and appressed to the plant, 1-2 mm long, usually whitish, pinkis...
Pediomelum pentaphyllum (Chihuahua Scurfpea)
Perennial herb up to about 25 cm tall, grayish-hairy with straight hairs that lie against the surface of the foliage; stems with a thin, cord-like, easily broken, subterranean portion bearing a few small bracts, and a very short aerial, leafy portion...