1. Sphenocleaceae T.Baskerv.

    1. This family is accepted.

[FZ]

Sphenocleaceae, M. Thulin. Flora Zambesiaca 7:1. 1983

Habit
Annual glabrous helophytic herbs
Leaves
Leaves alternate, simple, entire, exstipulate
Inflorescences
Inflorescences terminal, dense, spicate
Flowers
Flowers bisexual, regular, subtended by a bract and 2 bracteoies
Calyx
Calyx–tube adnate to the ovary; lobes 5, quincuncial, shortly connate, persistent
Corolla
Corolla campanulate–urceolate, epigynous, caducous; lobes 5, imbricate
Androecium
Stamens 5, inserted on the corolla–tube, alternating with the petals; filaments very short; anthers rounded, 2–celled, dehiscing longitudinally
Gynoecium
Ovary semi–inferior, 2–locular, with numerous anatropous ovules on large stipitate axile placentas; style short, glabrous, with a capitate slightly 2–lobed stigma
Fruits
Fruit a circurnscissile capsule, obovate–obconic, 2–locular, membranous
Seeds
Seeds numerous, minute; testa irregularly plicate–costate; endosperm scanty or absent
[FWTA]

Sphenocleaceae, F.N. Hepper. Flora of West Tropical Africa 2. 1963

Habit
Annual herbs
Stem
Stems erect or decumbent, with aerenchymous tissue at the base
Leaves
Leaves spirally arranged, simple, entire, exstipulate
Inflorescences
Inflorescences terminal, densely spicate, acropetal
Flowers
Flowers subtended by a bract and two bracteoles, bisexual, regular
Calyx
Calyx-tube adnate to the ovary, lobes 5
Corolla
Corolla campanulate-urceolate, perigynous, lobes 5, imbricate
Androecium
Stamens 5, epipetalous, alternating with corolla-lobes; filaments short; anthers rounded, 2-locular, dehiscing longitudinally
Gynoecium
Ovary semi-inferior, 2-locular; style short, stigma capitate
Fruits
Fruit a capsule, circumscissile, seeds numerous, minute
[FTEA]

Sphenocleaceae, H. K. Airy Shaw. Flora of Tropical East Africa. 1968

Habit
Annual glabrous hygrophytic herbs
Stem
Stem erect or decumbent, somewhat succulent and spongy
Leaves
Leaves spirally arranged, simple, entire, exstipulate
Inflorescences
Inflorescences terminal, densely spicate, acropetal
Flowers
Flowers small, bisexual, regular, subtended by a bract and 2 bracteoles
Calyx
Calyx-tube adnate to the ovary; segments 5, shortly connate, imbricate, connivent, persistent
Corolla
Corolla campanulate-urceolate, perigynous, caducous; lobes 5, imbricate
Androecium
Stamens 5, alternipetalous, inserted on the corolla-tube; filaments very short; anthers rounded, 2-thecous, dehiscing longitudinally
Gynoecium
Ovary semi-inferior, 2-locular; style short; stigma capitate, slightly 2-lobed; ovules very numerous, anatropous, attached to large spongy stipitate axile placentas
Fruits
Fruit a circumscissile capsule (pyxidium), cuneate-obconic, 2-locular, membranous
Seeds
Seeds very numerous, minute, oblong; testa irregularly plicate-costate; albumen scanty or none; embryo axile, straight, subterete

Images

Sphenocleaceae T.Baskerv. appears in other Kew resources:

First published in Affinities Pl. 110. 1839 (1839)

Accepted by

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

Sources

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

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 2019. 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