Oxystylis

Torrey & Frémont in J. C. Frémont

in J. C. Frémont, Rep. Exped. Rocky Mts., 312. 1845.

Common names: Spiny-caper
Etymology: Greek oxys, sharp, and stylos, pillar, alluding to style
Treatment appears in FNA Volume 7. Treatment on page 215. Mentioned on page 199, 200, 205.
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 TaxonIllustrator 
FNA7 P29 Cleomella angustifolia.jpegCleomella angustifolia
Wislizenia californica
Oxystylis lutea
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey

Herbs, annual (unpleasantly scented). Stems unbranched, or sparsely branched laterally; glabrous or glabrate. Leaves: stipules 3–8-palmatifid, minute; petiole without pulvinus (slightly longer than leaflets); leaflets 3. Inflorescences axillary (from distal leaves), racemes (flat-topped); bracts present. Flowers actinomorphic; sepals persistent, distinct, equal (each often subtending a nectary); petals equal; stamens 6; filaments inserted on a spheroidal gynophore, glabrous; anthers (ellipsoid), coiling as pollen released; gynophore sharply deflexed in fruit (stout, style spinelike in fruit). Fruits schizocarps (didymous, deflexed), indehiscent, obovoid. Seeds 2, reniform, not arillate. x = 10.

Distribution

sw United States

Discussion

Species 1.

Selected References

None.

Lower Taxa

... more about "Oxystylis"
Staria S. Vanderpool +
Torrey & Frémont in J. C. Frémont +
serrulate +, serrate +  and entire +
Spiny-caper +
sw United States +
Greek oxys, sharp, and stylos, pillar, alluding to style +
adnate +  and free +
actinomorphic +
rotate;crateriform campanulate or urceolate +
dehiscent +  and indehiscent +
elongate +
spheroidal +
sessile +  and stalked +
arranged +  and alternate +
1-carpellate +
distinct +
unequal +
tricolporate +  and binucleate +
in J. C. Frémont, Rep. Exped. Rocky Mts., +
not arillate +
gray +  and black +
reniform +
persistent +
distinct +
glandular-pubescent +  and glabrous +
branched +  and unbranched +
spreading +  and erect +
glabrate +  and glabrous +
deciduous +  and caducous +
3-8-palmatifid +
Oxystylis +
Cleomaceae +