Oxycaryum

Nees in C. F. P. von Martius et al.

in C. F. P. von Martius et al., Fl. Brasil. 2(1): 90. 1842.

Etymology: Greek oxys, sharp, and carya, nut
Treatment appears in FNA Volume 23. Treatment on page 140. Mentioned on page 8.
 TaxonIllustrator 
FNA23 P37 Isolepis carinata pg 139.jpegIsolepis carinata
Isolepis pseudosetacea
Isolepis cernua
Isolepis setacea
Oxycaryum cubense
Amanda Humphrey
Amanda Humphrey
Amanda Humphrey
Amanda Humphrey
Amanda Humphrey

Herbs, perennial, not cespitose, stoloniferous, aquatic. Culms solitary, trigonous. Leaves basal; ligules present, ciliate; blades flat to V-shaped in cross-section, prominently keeled on abaxial surface. Inflorescences terminal, umbellate heads or capitate; involucral-bracts 1–6+, spreading, leaflike. Spikelets: scales 5–10+, 3-ranked, spirally arranged, each subtending flower. Flowers bisexual; perianth absent; stamens 3; styles 2-fid, linear, base persistent. Achenes planoconvex, margins and apex corky.

Distribution

Tropical and subtropical America and Africa

Discussion

Species 1.

Selected References

None.

Lower Taxa

"shortened" is not a number.

... more about "Oxycaryum"
planoconvex +
Jeremy J. Bruhl +
Nees in C. F. P. von Martius et al. +
persistent +
keeled +, flat +  and v-shaped +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
parallel +  and divergent +
terete +, rolled +  and plicate +
trigonous +
Tropical and subtropical America and Africa +
Greek oxys, sharp, and carya, nut +
hypogynous +  and subtending +
biconvex +  and trigonous +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
planoconvex +
with (1-)3-6(-30) bristles and/or scales +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
in C. F. P. von Martius et al., Fl. Brasil. +
adventitious +
arranged +  and 3-ranked +
basal +  and proximal +
2-keeled +
cylindric +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
Oxycaryum +
Cyperaceae +
herb +  and not cespitose +