Difference between revisions of "Arundinaria gigantea"

(Walter) Muhl.
Common names: River cane Giant cane
Endemic
Synonyms: Arundinaria tecta var. distachya Arundinaria macrosperma Arundinaria gigantea subsp. macrosperma
Treatment appears in FNA Volume 24. Treatment on page 18.
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|subfamily=Poaceae subfam. Bambusoideae
 
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Revision as of 20:48, 5 November 2020

Rhizomes normally remaining horizontal, sometimes hollow-centered, air canals absent. Culms 2-8 m tall, to 3 cm thick; internodes typically sulcate distal to the branches. Culm leaves deciduous; sheaths 9-15 cm; fimbriae 2.2-7 mm; blades 1.5-3.5 cm. Topknots of 6-8 leaves; blades 16-24 cm long, 2-3.2 cm wide, lanceolate to ovate-lanceolate. Primary branches to 25 cm, erect or nearly so, with 0-1 compressed basal internodes, lower elongated internodes flattened in cross section. Foliage leaves: abaxial ligules usually ciliate, sometimes glabrous; blades subcoriaceous, persistent, evergreen, 8-15 cm long, 0.8-1.3 cm wide, bases rounded, abaxial surfaces glabrous or pubescent, strongly cross veined, adaxial surfaces glabrous or almost so. Spikelets 4-7 cm, greenish or brownish, with 8-12 florets. Glumes unequal, glabrous or pubescent, lowest glumes obtuse to acuminate or absent; lemmas 1.2-2 cm, usually appressed-hirsute to canescent, sometimes pubescent only towards the base and margins. Caryopses oblong, beaked, without a style branch below the beaks. 2n = 48.

Distribution

Ala., Ark., Fla., Ga., Ill., Ind., Kans., Ky., La., Mo., Miss., N.C., Ohio, Okla., S.C., Tenn., Tex., Va., W.Va., Del., N.J., N.Y., Md.

Discussion

Arundinaria gigantea forms extensive colonies in low woods, moist ground, and along river banks. It was once widespread in the southeastern United States, but cultivation, burning, and overgrazing have destroyed many stands.

Selected References

None.

Lower Taxa

None.
... more about "Arundinaria gigantea"
Lynn G. Clark +  and J.K. Triplett +
(Walter) Muhl. +
River cane +  and Giant cane +
Ala. +, Ark. +, Fla. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Mo. +, Miss. +, N.C. +, Ohio +, Okla. +, S.C. +, Tenn. +, Tex. +, Va. +, W.Va. +, Del. +, N.J. +, N.Y. +  and Md. +
Arundinaria tecta var. distachya +, Arundinaria macrosperma +  and Arundinaria gigantea subsp. macrosperma +
Arundinaria gigantea +
Arundinaria +
species +