5.
Cistanthe parryi
(A. Gray) Hershkovitz, Phytologia. 68: 268. 1990.
Calyptridium parryi
A. Gray, Proc. Amer. Acad. Arts 22: 285. 1887;
C. parryi
subsp.
nevadense
(J. T. Howell) Munz;
C. parryi
var.
arizonicum
J. T. Howell;
C. parryi
var.
nevadense
J. T. Howell
Plants
annual, taprooted.
Stems
2 or more from each rosette, spreading to ascending, 2-11 cm.
Leaves
basal and cauline; basal in single, prostrate rosette; blade spatulate, 1-3 cm.
Inflorescences
paniculate or racemose scorpioid cymes, becoming secund, open to dense.
Flowers
subsessile; sepals ovate, orbiculate, or reniform, unequal, 2-5 mm, margins scarious; petals 3(-4), white or pinkish, 1.5-3 mm; stamens 1-3, anther yellow; style absent; stigmas 2.
Capsules
ovoid to cylindric, 3-7 mm; valves 2.
Seeds
10-15, black, orbicular, 0.6-0.7 mm, shiny.
2
n
= 44.
Flowering Jun-Jul. Open, sandy areas, chaparral, woodlands; 700-3400 m; Ariz., Calif.; Mexico (Baja California).
Some authorities recognize varietal segregates in this species based on minor characters that appear to exhibit much variation from population to population; they are not treated in this account.
