riverweed

(redirected from Podostemaceae)
Also found in: Encyclopedia, Wikipedia.

riv·er·weed

 (rĭv′ər-wēd′)
n.
Any of various aquatic plants of the family Podostemaceae, especially P. ceratophyllum of North America, which grows on rocks in rapidly flowing streams.

riverweed

(ˈrɪvəˌwiːd)
n
(Plants) a type of tropical and sub-tropical plant found growing near rivers out of hard surfaces like rock

riv•er•weed

(ˈrɪv ərˌwid)

n.
any of several submerged aquatic plants of the genus Podostemum, family Podostemaceae, growing in rapid streams by clinging to stones with the roots.
[1665–75]
References in periodicals archive ?
2015) atribuiram o uso de pedras e raizes submersas como microhabitat dessa especie as mudancas ambientais devido a construcao de uma barragem no estado do Amazonas, o que quase provocou a extincao de Podostemaceae em sua area de estudo.
Another species that is thought to be extinct is the smallest known flowering plant species published in 2015, a minute, 364 mm tall herb of the waterfall-specific family Podostemaceae.
En la zona donde el raudal golpea la roca y se encuentra sustratos vegetales como Podostemaceae (plantas vasculares acuaticas) (Villamizar et al.
guianense larvae and pupae with Podostemaceae has been reported in the literature (e.
Por otra parte, en los ecosistemas acuaticos lenticos (lagos, lagunas, esteros, pantanos, presas) se registra la mayor riqueza (222 especies); los ambientes loticos (arroyos, rios) tienen un menor numero de especies (134), de las cuales 18 se localizan estrictamente en cuerpos de agua corriente, como son las nueve de la familia Podostemaceae, ademas de Alternanthera philoxeroides, Erigeron heteromorphus, Justicia americana, Lobelia purpusii, Ludwigia repens, Myriophyllum sibiricum, Nuphar advena, Sparganium americanum y Taxodium mucronatum.
As analises deram suporte a monofilia de tres clados: Kielmeyeroideae, Clusioideae e Hypericoideae + Podostemaceae.
However, due to lack of local information regarding the time of colonization of aquatic macrophytes, present in great amount in the riverbeds of the region, mainly Podostemaceae, this substrate had only its fauna removed.
This contribution to the flora of Sao Paulo state, Brazil covers an interesting group of 12 flowering plant families, one monocot (Bromeliaceae) and eleven dicots (Araliaceae, Basellaceae, Bombacaceae, Cactaceae, Ebenaceae, Flacourtiaceae, Menispermaceae, Phytolaccaceae, Podostemaceae, Quiinaceae, Rubiaceae).