BugwoodWiki Article

yellow bluestem
Bothriochloa ischaemum var. songarica (Rupr. ex Fisch. & C.A. Mey.) Celarier & Harlan

Overview

Appearance
Bothriochloa ischaemum var. songarica is a caepitose grass with tufts becoming more distinct as it matures. In the Poaceae family, it grows from 12-24 in. (30-60 cm) in height. B. ischaemum var. songarica is native to temperate and tropical Asia.
Foliage
A distinctive feature of the flat leaf blades of B. ischaemum are hairs on the blade just above the collar. In B. ischaemum var. songarica the culm node is ringed with short hairs.
Flowers
The inflorescence of B. ischaemum var. songarica is a terminal panicle of racemes bearing the spikelets. The racemes are longer than the panicle axis.
Fruit
B. ischaemum var. songarica reproduces both through seed. Each spikelet has a single awn.
Ecological Threat
In Texas, B. ischaemum var. songarica is considered a very serious ecological threat due to widespread planting for grazing and by highway departments. It prefers disturbed mesic, upland soils.

Selected Images


5474287
5474287

yellow bluestem
Bothriochloa ischaemum var. songarica
Plant(s)
Michelle Villafranca
5411021
5411021

yellow bluestem
Bothriochloa ischaemum var. songarica
Flower(s)
Karan A. Rawlins
5411024
5411024

yellow bluestem
Bothriochloa ischaemum var. songarica
Flower(s)
Karan A. Rawlins
5411042
5411042

yellow bluestem
Bothriochloa ischaemum var. songarica
Flower(s)
Karan A. Rawlins
5411059
5411059

yellow bluestem
Bothriochloa ischaemum var. songarica
Flower(s)
Karan A. Rawlins
5474290
5474290

yellow bluestem
Bothriochloa ischaemum var. songarica
Flower(s)
Michelle Villafranca
5474289
5474289

yellow bluestem
Bothriochloa ischaemum var. songarica
Plant(s)
Michelle Villafranca
5474291
5474291

yellow bluestem
Bothriochloa ischaemum var. songarica
Foliage
Michelle Villafranca

Maps


EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

EDDMapS Distribution

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Liliopsida
Subclass: Commelinidae
Order: Cyperales
Family: Poaceae
Genus: Bothriochloa

Other System Links

Plants: BOISS
Bayer: BOTIS
GRIN: 310207
ITIS: 526948

Synonyms and Other Names

Other Common Names:
King Ranch bluestem, Turkestan bluestem

Categories

Category: Grass or Grasslike