Torenia L.

First published in Sp. Pl.: 619 (1753)
This genus is accepted
The native range of this genus is Tropics & Subtropics.

Descriptions

Scrophulariaceae, D. Philcox. Flora Zambesiaca 8:2. 1990

Morphology Reproductive morphology Seeds
Seeds small, numerous.
Morphology General Habit
Annual or perennial, erect, ascending or decumbent, glabrous, pubescent or hirsute herbs; stems quandrangular or subquadrangular.
Morphology Leaves
Leaves opposite, sessile or petiolate, entire or variously toothed.
Morphology Reproductive morphology Flowers
Flowers solitary, axillary, or either in terminal or axillary well-developed racemes or with few flowers on much shortened branches appearing somewhat fasciculate.
Morphology Reproductive morphology Inflorescences
Pedicels ebracteolate.
Morphology Reproductive morphology Flowers Calyx
Calyx tubular, 3–5-lobed or bilabiate, shallowly or deeply 3–5-winged, sometimes appearing plicate.
Morphology Reproductive morphology Flowers Corolla
Corolla tubular; tube cylindric; bilabiate with upper lip bilobed emarginate or subentire, lower lip larger with 3 subequal lobes.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, perfect; posterior pair included, filaments filiform; anterior attached to throat of corolla tube, filaments arched, connivent under upper lip, each with small appendage at base; anthers usually cohering in pairs.
Morphology Reproductive morphology Flowers Gynoecium Ovary Ovules
Ovules many.
Morphology Reproductive morphology Fruits
Capsule equal to or slightly shorter than calyx, septicidal.
[FZ]

Scrophulariaceae, S.A. Ghazanfar, F.N. Hepper & D. Philcox. Flora of Tropical East Africa. 2008

Morphology General Habit
Annual or perennial herbs.
Morphology Stem
Stems erect, straggling, creeping and rooting
Morphology Leaves
Leaves opposite, toothed or entire, petiolate or sessile
Morphology Reproductive morphology Flowers
Flowers solitary, paired or subumbellate, seldom racemose in elongated racemes and panicles terminating the stems; usually long-pedicellate; bracteoles linear at base of petioles
Morphology Reproductive morphology Flowers Calyx
Calyx tubular, 3–5-winged, rarely only ridged, 3–5-toothed or 2-lipped
Morphology Reproductive morphology Flowers Corolla
Corolla tubular, tube cylindric, 2-lipped with upper lip emarginate or entire, lower lip larger with 3 ± equal lobes
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous; posterior pair inserted in the tube; anterior pair inserted in the corolla throat; filaments arched, each with a tooth-like appendage at the base; anthers bithecal; style shortly divided
Morphology Reproductive morphology Fruits
Capsule oblong, included in the persistent calyx, septicidal
Morphology Reproductive morphology Seeds
Seeds numerous.
[FTEA]

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
  • Herbarium Catalogue Specimens

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Plants and People Africa

    • Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    • © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/