Oxycaryum cubense

(Poeppig & Kunth) Lye

Bot. Not. 124: 281. 1971.

Illustrated
Basionym: Scirpus cubensis Poeppig & Kunth in C. S. Kunth, Enum. Pl. 2: 172. 1837
Treatment appears in FNA Volume 23. Treatment on page 140. Mentioned on page 139.

Stolons scaly, rooting at nodes or with long-hanging roots. Culms 7.5–76 (–100) cm × 0.7–5 mm. Leaves elaminate proximally, laminate distally; blades (33–) 50–70 (–110) cm × (2–) 4.5–5.5 (–7) mm. Inflorescences with 1–13 heads, globose to broadly ovoid, 10–23 × 9–19 mm; spikelets 5–many. Spikelets 3–6 × 2.5–6 mm; scales transparent to pale-brown with redbrown or purple marks, ovate to oblong, apex acuminate. Achenes pale or redbrown, ovoid or ellipsoid, 2.2–2.8 × 1–1.2 mm; beak to 0.7 mm.


Phenology: Fruiting spring–fall.
Habitat: Lakes and streams, floating, or raft-forming, or along margins
Elevation: 0–50 m

Distribution

V23 224-distribution-map.jpg

Ala., Fla., La., Tex., Mexico, West Indies (Cuba), Central America, South America, Africa

Discussion

The named variants of Oxycaryum cubense appear to represent extremes of this morphologically plastic species.

Selected References

None.

Lower Taxa

None.

"shortened" is not a number.

... more about "Oxycaryum cubense"
redbrown +  and pale +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
ellipsoid;ovoid +
1mm;1.2mm +
acuminate +
Jeremy J. Bruhl +
(Poeppig & Kunth) Lye +
persistent +
Scirpus cubensis +
0 cm0 mm <br />0 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
70 cm700 mm <br />0.7 m <br /> (110 cm1,100 mm <br />1.1 m <br />) +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
50 cm500 mm <br />0.5 m <br /> (70 cm700 mm <br />0.7 m <br />) +
keeled +, flat +  and v-shaped +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
parallel +  and divergent +
terete +, rolled +  and plicate +
76 cm760 mm <br />0.76 m <br /> (100 cm1,000 mm <br />1 m <br />) +
7.5 cm75 mm <br />0.075 m <br /> (76 cm760 mm <br />0.76 m <br />) +
trigonous +
0.7mm;5mm +
Ala. +, Fla. +, La. +, Tex. +, Mexico +, West Indies (Cuba) +, Central America +, South America +  and Africa +
0–50 m +
hypogynous +  and subtending +
biconvex +  and trigonous +
Lakes and streams, floating, or raft-forming, or along margins +
1 cm10 mm <br />0.01 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
globose +  and broadly ovoid +
0.9 cm9 mm <br />0.009 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
laminate +  and elaminate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
planoconvex +
purple +  and redbrown +
with (1-)3-6(-30) bristles and/or scales +
Fruiting spring–fall. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
adventitious +
long-hanging +
arranged +  and 3-ranked +
transparent +  and pale-brown +
basal +  and proximal +
ovate;oblong +
cylindric +
Illustrated +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
5 +  and many +
2.5mm;6mm +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
Oxycaryum cubense +
Oxycaryum +
species +
herb +  and not cespitose +