Pontederiaceae Kunth

This family is accepted.

[FTEA]

Pontederiaceae, B. Verdcourt. Flora of Tropical East Africa. 1968

Morphology General Habit
Erect or floating aquatic herbs
Morphology Leaves
Leaves with floating and/or emersed blades, sheathing at the base
Morphology Reproductive morphology Flowers
Flowers hermaphrodite, regular or slightly irregularly two-lipped, arranged in racemes, spikes, panicles or sub-umbellate inflorescences subtended by a spathe-like leaf-sheath or solitary (Eichhornia)
Morphology Reproductive morphology Flowers Perianth
Perianth hypogynous, petaloid, divided into 6 lobes more or less arranged in two series, united at the base or free
Morphology Reproductive morphology Flowers Androecium
Stamens 1, 3, or 6, equal or unequal, inserted on the perianth; filaments free; anthers dithecous, opening by longitudinal slits or rarely by terminal pores
Morphology Reproductive morphology Flowers Gynoecium
Ovary superior, 3-locular with axile placentas or unilocular with 3 parietal placentas; style entire or lobed; ovules anatropous, numerous to solitary
Morphology Reproductive morphology Fruits
Fruit a capsule opening by 3 valves, or an indehiscent achene
Morphology Reproductive morphology Seeds
Seeds longitudinally ribbed, with copious endosperm

[FWTA]

Pontederiaceae, F.N. Hepper. Flora of West Tropical Africa 3:1. 1968

Morphology General Habit
Aquatic erect or floating herbs
Morphology Leaves
Leaves with floating or immersed blades sheathing at the base
Morphology Reproductive morphology Flowers
Flowers bisexual, actinomorphic, arranged in racemes or panicles subtended by a spathe-like leaf-sheath; bracts minute or absent
Morphology Reproductive morphology Flowers Perianth
Perianth hypogynous, corolline; lobes 6 or 4, sub-biseriate
Morphology Reproductive morphology Flowers Androecium
Stamens 6 or 3, rarely 1, inserted on the perianth, sometimes somewhat unequal in length or 1 the longest of all; filaments free; anthers 2-locular, opening lengthwise by slits or rarely by pores
Morphology Reproductive morphology Flowers Gynoecium
Ovules numerous to solitary and then pendulous Ovary superior, 3-locular, with axile placentas or 1-locular with 3 parietal placentas; style entire or shortly lobed
Morphology Reproductive morphology Fruits
Fruit a capsule opening by 3 valves, or indehiscent
Morphology Reproductive morphology Seeds
Seeds ribbed, with copious endosperm

Pontederiaceae Kunth appears in other Kew resources:

First published in Nov. Gen. Sp. [H.B.K.] 1(3): 265(ed. qto.). 1816 [4-11 May 1816] (as "Pontedereae") (1816)

Accepted by

  • APG IV (2016) http://dx.doi.org/10.1111/boj.12385

  • Flora of Tropical East Africa

    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of West Tropical Africa

    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Names and Taxonomic Backbone

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0