Cistanthe umbellata

(Torrey) Hershkovitz

Phytologia 68: 268. 1990.

IllustratedEndemic
Basionym: Spraguea umbellata Torrey Smithsonian Contr. Knowl. 6(2): 4, plate 1. 1853
Synonyms: Calyptridiumu mbellatum (Torrey) Greene Calyptridiumu umbellatum var. caudiciferum (A. Gray) Jepson Spraguea umbellata var. caudicifera A. Gray
Treatment appears in FNA Volume 4. Treatment on page 464. Mentioned on page 460, 461, 462.
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Plants perennial, taprooted; caudex branching. Stems 1 from each rosette, ascending to erect, to 60 cm. Leaves: basal in 2–many prostrate rosettes, blade spatulate, (0.5–) 2–7 (–15) cm; cauline leaves usually absent. Inflorescences umbellate or subumbellate, dense, globose, 1–2 cm diam. Flowers subsessile; sepals orbiculate, equal, 3–8 mm, scarious; petals 4, white, 3–8 mm; stamens 3, anther red or yellow; style exserted, filiform; stigmas 2. Capsules globose, 2–3 mm; valves 2. Seeds 1–8, black, orbicular-reniform, 0.7–1.2 mm, shiny. 2n = 44.


Phenology: Flowering May–Oct.
Habitat: Dry sandy or gravelly soils
Elevation: 1500-4300 m

Distribution

V4 921-distribution-map.gif

B.C., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Cistanthe umbellata"
yellow +  and red +
Walter A. Kelley +, John M. Miller +  and John G. Packer +
(Torrey) Hershkovitz +
Spraguea umbellata +
7 cm70 mm <br />0.07 m <br /> (15 cm150 mm <br />0.15 m <br />) +
occasionally dentate;crisped +
spatulate +
2 cm20 mm <br />0.02 m <br /> (7 cm70 mm <br />0.07 m <br />) +
subtending +
unequal +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
B.C. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
1500-4300 m +
Dry sandy or gravelly soils +
subumbellate +  and umbellate +
racemose +  and paniculate +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
not articulate +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
not reflexed +
plurilocular +
distinct +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Flowering May–Oct. +
fibrous +  and fleshy +
2 +  and many +
strophiolate +
1 +  and 8 +
sculptured +  and smooth +
orbicular-reniform +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (?) +  and 0.12 cm1.2 mm <br />0.0012 m <br /> (?) +
persistent +
distinct +
orbiculate +
unequal +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Illustrated +  and Endemic +
branched +  and simple +
ascending +  and erect +
0 cm0 mm <br />0 m <br /> (60 cm600 mm <br />0.6 m <br />) +
filiform +
Calyptridiumu mbellatum +, Calyptridiumu umbellatum var. caudiciferum +  and Spraguea umbellata var. caudicifera +
Cistanthe umbellata +
Cistanthe +
species +
not deciduous +