Cyperus subg. Juncellus

(Grisebach) C. B. Clarke

J. Linn. Soc., Bot. 21: 33. 1884.

Basionym: Cyperus sect. Juncellus Grisebach Fl. Brit. W. I., 562. 1864
Synonyms: Undefined subg. Acorellus Palla Undefined subg. Juncellus (Grisebach) C. B. Clarke
Treatment appears in FNA Volume 23. Treatment on page 163. Mentioned on page 141, 164.
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Culms and leaves with Kranz (chlorocyperoid) anatomy. Inflorescences: spikes; rachilla persistent, wingless. Spikelets borne in spikes; floral scales deciduous, rounded. Flowers: stamens 2–3, usually 3 in C. laevigatus; pistils 2; stigmas 2 (–3 in C. serotinus). Achenes biconvex, dorsiventrally flattened, face borne toward rachilla.

Distribution

Pantropical and warm-temperate regions

Discussion

Species 6 (2 in the flora).

Selected References

None.

"shortened" is not a number.

... more about "Cyperus subg. Juncellus"
flattened;biconvex +
Gordon C. Tucker* +, Brian G. Marcks* +  and J. Richard Carter * +
(Grisebach) C. B. Clarke +
persistent +  and deciduous +
decurrent +
Cyperus sect. Juncellus +
w--shaped +  and keeled +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
parallel +  and divergent +
terete +, rolled +  and plicate +
scabridulous +
round +  and trigonous +
Pantropical and warm-temperate regions +
hypogynous +  and subtending +
biconvex +  and trigonous +
subumbellate +  and capitate +
spreading +  and erect +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
with (1-)3-6(-30) bristles and/or scales +
2-3(-4)-carpellate +
antrorse +  and extrorse +
3 (?) +  and 1 (?) +
J. Linn. Soc., Bot. +
unequal +
adventitious +
basal +  and proximal +
cylindric;compressed +
cylindric +
1 +  and 150 +
3 +  and 2 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
2-3-fid +
Undefined subg. Acorellus +  and Undefined subg. Juncellus +
Cyperus subg. Juncellus +
subgenus +
tuberous +, stoloniferous +  and rhizomatous +
annual +  and perennial +
herb +, not +  and cespitose +