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Published In: Mantissa Plantarum 2: 143–144, 175. 1771. (Oct 1771) (Mant. Pl.) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: Species about 50. Tropical or subtropical. 2 species occur in Pakistan.


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Annual herbs, hygrophilous, glabrous. Stem ± quadrangular. Inflorescence axillary, solitary or spicate, in almost every axil. Flowers 4-5-merous, sessile, 2-bracteolate; bracteoles ± equalling the flower. Hypanthium campanulate or tubular-campanulate, membranous in fruit. Epicalyx present or absent. Petals persistent. Ovary oblong or 3-angled, 2-3(-4)-locular, style short. Capsule equalling the hypanthium, 2-3 (-4)-valved, faintly horizontally striate, placenta clavate. Seeds elongated or roundish.

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1 Leaf margin cartilaginous. Inflorescence an axillary spike. Flowers 4-merous. Epicalyx absent. Capsule 2- valved Rotala indica
+ Leaf margin not cartilaginous. Inflorescence axillary solitary. Flowers 5-merous. Epicalyx present. Capsule 3(-4)-valved Rotala densiflora
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