- Family: Poaceae Barnhart
- Genus: Saccharum L.
Saccharum coarctatum (Fernald) R.D.Webster
- Genus: Saccharum L.
This species is accepted, and its native range is SE. U.S.A. to SE. Texas.
Descriptions
According to GrassBase - The Online World Grass Flora
[GB]- Habit
- Perennial. Culms erect; 35-150 cm long. Culm-nodes glabrous, or pubescent, or bearded. Leaf-sheaths keeled; glabrous on surface. Ligule a ciliolate membrane. Leaf-blades 3-10 mm wide; 2-3 cm long at summit of culm. Leaf-blade surface scaberulous.
- Inflorescences
- Inflorescence a panicle with branches tipped by a raceme. Panicle open; elliptic; 20-27 cm long; 2.5-4 cm wide. Rhachis fragile at the nodes; angular; pubescent on surface. Rhachis internodes linear; 4 mm long. Spikelets in pairs. Fertile spikelets sessile and pedicelled; 2 in the cluster; subequal. Pedicels linear; angular; 4 mm long; pubescent.
- Spikelets
- Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-8 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus bearded; base truncate. Spikelet callus hairs 0.5 length of spikelet.
- Fertile
- Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-8 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus bearded; base truncate. Spikelet callus hairs 0.5 length of spikelet.
- Glume
- Glumes similar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of spikelet; cartilaginous; 2-keeled; 5 -veined. Lower glume surface flat; asperulous; glabrous, or hirsute (sparsely). Lower glume apex acuminate. Upper glume lanceolate; 1 length of spikelet; cartilaginous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume surface asperulous; glabrous. Upper glume apex acute.
- Florets
- Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; hyaline; acute. Fertile lemma lanceolate; 4-5 mm long; hyaline; 3 -veined. Lemma apex acute; awned; 1 -awned. Principal lemma awn straight; subterete below; 15-23 mm long overall.
- Flowers
- Lodicules 2; cuneate. Anthers 3.
- Distribution
- North America: southeast USA.
- Reference
- Andropogoneae. Man US Gr 1997.
Distribution
Native to:
Alabama, Delaware, Florida, Georgia, Maryland, North Carolina, South Carolina, Texas, Virginia
Synonyms
Other Data
Saccharum coarctatum (Fernald) R.D.Webster appears in other Kew resources:
Bibliography
First published in Sida 16: 572 (1995)
Accepted by
- Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
- Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
Literature
Kew Backbone Distributions
- Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
Sources
GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0
Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0