Luffa Mill.

First published in Gard. Dict. Abr., ed. 4.: [s.p.] (1754)
This genus is accepted
The native range of this genus is Mexico to Tropical America, W. Tropical Africa to Somalia, Indian Subcontinent, Australia.

Descriptions

Cucurbitaceae, C. Jeffrey. Flora Zambesiaca 4. 1978

Morphology General Habit
Annual prostrate or scandent herbs.
Morphology Leaves
Leaves simple, petiolate.
Morphology General Tendrils
Tendrils proximally 2–6-fid.
Morphology Reproductive morphology Flowers Receptacle
Receptacle-tube broadly campanulate; lobes large, enclosing the petals in bud, entire.
Morphology Reproductive morphology Flowers Corolla
Petals 5, free, entire.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5, all one-thecous, or 3, 2 two-thecous & 1 one-thecous; filaments inserted on the receptacle-tube, free; anthers free; connectives broad; thecae much convoluted.
Morphology Reproductive morphology Flowers
Female flowers solitary; ovary smooth, ribbed, tuberculate or spiny; ovules many, horizontal; stigma 3-lobed. Male flowers racemose. Flowers yellow or whitish, monoecious.
Morphology Reproductive morphology Fruits
Fruit globose to cylindrical, rostrate, smooth, ribbed or spiny, dry, brownish, fibrous, dehiscent by an apical operculum.
Morphology Reproductive morphology Seeds
Seeds compressed, oblong-elliptic in outline.
[FZ]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Annual climbing or trailing herbs
Morphology Leaves
Leaves simple
Morphology General Tendrils
Tendrils 2–6-fid
Morphology Reproductive morphology Inflorescences
Male flowers racemose Monoecious or dioecious
Morphology Reproductive morphology Flowers Hypanthium
Hypanthium broadly campanulate
Morphology Reproductive morphology Flowers Calyx
Sepals 5, large, enclosing the petals in bud
Morphology Reproductive morphology Flowers Corolla
Petals 5, free, yellow or white
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5, all one-thecous, or 3, 2 two-thecous, 1 one-thecous, inserted on the hypanthium, free; connective broad; thecae convoluted
Morphology Reproductive morphology Flowers
Female flowers solitary
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary smooth, ribbed or spiny
Morphology Reproductive morphology Flowers Gynoecium Ovary Ovules
Ovules numerous, horizontal
Morphology Reproductive morphology Fruits
Fruit dry, brownish, fibrous, smooth, ribbed or spiny, dehiscent by an apical lid
Morphology Reproductive morphology Seeds
Seeds compressed, black.
Distribution
Nine species, palaeotropical and neotropical.
[FSOM]

Cucurbitaceae, C. Jeffrey. Flora of Tropical East Africa. 1967

Morphology General Habit
Climbing or trailing herbs
Morphology Leaves
Leaves simple; blade palmately lobed
Morphology General Tendrils
Tendrils proximally 3–6-fid, less often bifid
Morphology Reproductive morphology Flowers
Flowers medium to large yellow, monoecious Male flowers racemose; receptacle-tube shortly campanulate; lobes relatively large, enclosing petals in bud, entire; petals 5, free, entire; stamens 5, all 1-thecous, in 2 pairs with one single, or the paired stamens variously united, when completely so stamens appearing as 3, 2 double 2-thecous, 1 single 1-thecous; filaments inserted on the tube, free; anthers free; connective broad; thecae marginal, much convoluted Female flowers solitary; ovary smooth, ribbed, tuberculate or spiny; ovules many, horizontal; receptacle-tube short; stigmas 3, bilobed
sex Male
Male flowers racemose; receptacle-tube shortly campanulate; lobes relatively large, enclosing petals in bud, entire; petals 5, free, entire; stamens 5, all 1-thecous, in 2 pairs with one single, or the paired stamens variously united, when completely so stamens appearing as 3, 2 double 2-thecous, 1 single 1-thecous; filaments inserted on the tube, free; anthers free; connective broad; thecae marginal, much convoluted
sex Female
Female flowers solitary; ovary smooth, ribbed, tuberculate or spiny; ovules many, horizontal; receptacle-tube short; stigmas 3, bilobed
Morphology Reproductive morphology Fruits
Fruit medium-sized to large, subglobose to elongate-cylindrical, beaked, smooth, ribbed or sparsely to densely spiny with short to rather long spines, brownish, dry and fibrous, dehiscent by an apical operculum
Morphology Reproductive morphology Seeds
Seeds medium-sized, distinctly compressed, oblong-elliptic in outline
Figures
Fig. 10.
[FTEA]

Sources

  • Flora Zambesiaca

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

    • Flora of Somalia
    • 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