Cistanthe monandra

(Nuttall) Hershkovitz

Phytologia 68: 267. 1990.

Illustrated
Basionym: Calyptridium monandrum Nuttall in J. Torrey and A. Gray, Fl. N. Amer. 1: 198. 1838
Treatment appears in FNA Volume 4. Treatment on page 462. Mentioned on page 461.

Plants annual, taprooted. Stems 2 or more from each rosette, spreading to decumbent, 1.5–18 cm. Leaves basal and cauline; basal withering in fruit, in single, prostrate rosette, blade spatulate, 1–5 cm; cauline leaf-blades spatulate, 1–2 (–4) cm. Inflorescences racemose or paniculate cymes, scorpioid when immature, loose. Flowers subsessile; sepals ovate, unequal, 1–2 mm, herbaceous, margins scarious; petals (2–) 3, pink to reddish, 1–3 mm; stamens 1 (–3), anther yellow; style absent; stigmas 2. Capsules ovoid to cylindric, somewhat falcate, 4–8 mm; valves 2. Seeds 4–10, black, orbicular, 0.3–0.7 mm, shiny. 2n = 44.


Phenology: Flowering Mar–Jun.
Habitat: Open sandy areas, burns
Elevation: 0-2100 m

Distribution

V4 913-distribution-map.gif

Ariz., Calif., Nev., Mexico (Baja California)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Cistanthe monandra"
Walter A. Kelley +, John M. Miller +  and John G. Packer +
(Nuttall) Hershkovitz +
Calyptridium monandrum +
occasionally dentate;crisped +
spatulate +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
subtending +
unequal +
falcate +, ovoid +  and cylindric +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 0.8 cm8 mm <br />0.008 m <br /> (?) +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Ariz. +, Calif. +, Nev. +  and Mexico (Baja California) +
0-2100 m +
Open sandy areas, burns +
bracteate +, leafy +, 1-many-flowered +, secund +, cymose +  and umbellate +
paniculate +  and racemose +
not articulate +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
not reflexed +
plurilocular +
distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering Mar–Jun. +
fibrous +  and fleshy +
strophiolate +
4 +  and 10 +
sculptured +  and smooth +
orbicular +
0.3mm +  and 0.7mm +
persistent +
distinct +
unequal +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
herbaceous;scarious +
Illustrated +
branched +  and simple +
spreading +  and decumbent +
1.5 cm15 mm <br />0.015 m <br /> (18 cm180 mm <br />0.18 m <br />) +
Calyptridium +, Lewisiopsis +  and Spraguea +
Cistanthe monandra +
Cistanthe +
species +
not deciduous +