Flora of the Hawaiian Islands
Monocotyledon Literature for Gastridium ventricosum
Wagner et al., 1990, 1999.
   Poaceae -- The Grass Family Bibliography
      Gastridium ventricosum

Common name(s): nitgrass
General Information
DistributionNative to Europe.In the Hawaiian Islands, naturalized on Kaua`i, Maui, Hawai`i.















Habit
Tufted annuals, leaves usually few; culms 20-55 cm tall, glabrous.
Leaves
Sheaths 2-7 cm long, glabrous, striate; ligule membranous, usually lacerate, 6-7 mm long, nerved, scaberulous on the nerves; blades thin, 8-25 cm long, 1-7 mm wide, scabrous.
Flowers
Panicles pale green or yellowish brown, glossy, dense, spike-like, narrowly cylindrical, 4-10 cm long, 0.7-1.2 cm wide; spikelets 4-6 mm long, slender; glumes slender, attenuate, somewhat swollen and glabrous at base, keeled and scabrous in upper part, margins hyaline, first glume 4.5-5 mm long, second glume 6-7 mm long; lemma 1-1.2 mm long, truncate, awn delicate, yellowish, 5-6 mm long; palea ca. 1 mm long, pilose at base, bifid.
Fruit
Caryopsis reddish brown, ovoid, ca. 1 mm long.
Chromosomes
2n = 14, 28