FoI
Monson's Knotgrass   
Foto info
Monson's Knotgrass
ative Photo: S. Kasim
Common name: Monson's Knotgrass
Botanical name: Trichuriella monsoniae    Family: Amaranthaceae (Amaranth family)
Synonyms: Aerva monsoniae, Trichurus monsoniae, Illecebrum monsoniae

Monson's Knotgrass is an erect herbs, up to 10 cm tall, named for Lady Ann Monson, 18th century plant collector of the Cape of Good Hope and in Bengal. Leaves decussate or clustered below, alternate above, linear-pointed, nearly stalkless, 1 x 0.05 cm. Flower spikes are clustered; flowers bisexual, 2-bracteolate; bracts and bracteoles linear-lanceshaped, scarious, hyaline, midrib prominent, excurrent into an awn. Tepals are 4-5, nearly equal, lanceshaped, 1-nerved, long-pointed. Stamens are 4, fused at base into a sheath, anthers globose. Ovary is depressed-globose; ovule solitary; style short; stigma minute. Utricle circumscissile; seeds ovoid, shiny, black. Monson's Knotgrass is found in Western Ghats, Sri Lanka and Thailand. Flowering: October.

Identification credit: S. Kasim Photographed in Vellore, Tamil Nadu.

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