Annual; stems slender, erect, up to 60 cm tall; leaves sessile or with short stalks, palmately compound, leaflets 3, elliptic, slender, folded, 2 mm wide or less; flowers in axils of stem leaves, petals pink or white, 4-7 mm long; pods elongate, up t...
Herbaceous perennial with a basal rosette of leaves and a scapose stem to 1.5 m tall; basal leaves linear, up to 1 m long, entire or rarely with one or two spinose teeth; cauline leaves few and reduced; inflorescence a compound umbel with compact hea...
Escobaria orcuttii is distinguished by the relatively even and short length of the central spines, which seem to grade into the radial spines of similar length. This gives the plants something of a "groomed" appearance. Stems solitary, few in a cl...
Prostrate annual herb with several primary stems extending radially from a slender taproot; stems to 15 cm long, terete, strigulose with white recurved hairs 0.1-0.2 mm long, internodes 0.6-2.2 cm long; leaves opposite, stipules interpetiolar, separa...
Stems pinkish-red, pinkish-yellow, or pinkish white; flowers with sepals pale creamy yellow or dull pale pinkish-purple with pinkish-red, pinkish-brown or pinkish-purple veins, connivent or spreading apically; dorsal sepal lanceolate to oblong, 15-18...
Perennial, rhizomatous, myco-heterotrophic herb lacking chlorophyll; stems up to 55 cm high, erect, cream to pale pink in color, with 4 to 6 reduced leaves or bracts that are well spread along the stem below the inflorescence; flowers 13 to 19, each ...
Biennial or short-lived perennial herb; stems sometimes branching from a stout taproot, 4-15 dm tall, branching above; leaves in a reduced basal rosette and cauline, alternate, pinnatisect, the lobes filiform; inflorescence a cymose panicle (flat-top...