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.
 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 +