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This genus is accepted, and its native range is Tropical & S. Africa, Madagascar.
A specimen from Kew's Herbarium

[FZ]

Flora Zambesiaca. Vol. 9, Part 3. Polygonaceae-Myriaceae. Pope GV, Polhill RM, Martins ES. 2006.

Morphology General Bark
Bark smooth or rough, with or without lenticels
Morphology Leaves
Leaves alternate, rarely opposite, membranous or coriaceous Leaves alternate, rarely opposite, membranous or coriaceous.
Morphology Reproductive morphology Flowers
Flowers bisexual, very rarely unisexual, 4–5-merous, sessile or pedicelled in spicate inflorescences or ebracteate few-flowered fascicles or bracteolate few to many-flowered terminal or axillary heads, rarely compound Flowers bisexual, very rarely unisexual, 4–5-merous, sessile or pedicelled in spicate inflorescences or ebracteate few-flowered fascicles or bracteolate few to many-flowered terminal or axillary heads, rarely compound.
Morphology Reproductive morphology Inflorescences Bracts
Bracts present, usually persistent, sometimes leaf-like, rarely missing Bracts present, usually persistent, sometimes leaf-like, rarely missing.
Morphology Reproductive morphology Flowers Calyx
Calyx tube cylindric, glabrous or pubescent, usually articulated above ovary, upper and lower parts often with indumentum differences, the upper part falling off after flowering; lobes imbricate, always shorter than the tube, erect, spreading or reflexed, coloured Calyx tube cylindric, glabrous or pubescent, usually articulated above ovary, upper and lower parts often with indumentum differences, the upper part falling off after flowering; lobes imbricate, always shorter than the tube, erect, spreading or reflexed, coloured.
Morphology Reproductive morphology Flowers Corolla
Petals 4, 8 or 10, alternating with the calyx lobes, entire or more or less deeply divided, membranous or fleshy, often scaly or glandular, sometimes missing Petals 4, 8 or 10, alternating with the calyx lobes, entire or more or less deeply divided, membranous or fleshy, often scaly or glandular, sometimes missing.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, 8 or 10 in 1 or 2 whorls, those of the upper opposite the calyx lobes, exserted or enclosed in the throat of the calyx tube, very rarely aborted; anthers sessile or with very short filaments, sometimes heteromorphic. Ovary sessile or shortly stipitate, 1-locular, glabrous or pubescent; disk membranous, cup-shaped or lobed, sometimes minute or lacking; style filiform, lateral; stigma capitate or club-shaped, papillate Stamens 4, 8 or 10 in 1 or 2 whorls, those of the upper opposite the calyx lobes, exserted or enclosed in the throat of the calyx tube, very rarely aborted; anthers sessile or with very short filaments, sometimes heteromorphic.
Morphology Reproductive morphology Fruits
Fruit dry, small, enclosed by the persistent base of the calyx tube Fruit dry, small, enclosed by the persistent base of the calyx tube.
Note
The number of calyx lobes and the presence or absence of petals (petaloid scales) are the only generic points of distinction between Gnidia, Lasiosiphon and Arthrosolen. One and the same individual can have both 4- and 5-merous flowers. The petals can be well developed or fully aborted within one and the same specimen. Considering the great variation in these characters and in agreement with the opinion of most recent authors Lasiosiphon and Arthrosolen have been treated as synonyms of Gnidia. See also discussion by Peterson in Bot. Not. 112: 465 (1959).
Distribution
The largest genus within the family with c. 140 species, the major part in tropical and southern Africa but extending to Arabia (1 species), southern India and Sri Lanka; also c. 20 species are endemic in Madagascar.
Morphology General Habit
Perennial herbs, shrublets or shrubs, often ericoid, or trees. Perennial herbs, shrublets or shrubs, often ericoid, or trees
Morphology Stem
Bark smooth or rough, with or without lenticels.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary sessile or shortly stipitate, 1-locular, glabrous or pubescent; disk membranous, cup-shaped or lobed, sometimes minute or lacking; style filiform, lateral; stigma capitate or club-shaped, papillate.
Morphology Reproductive morphology Seeds
Seed with scanty or no endosperm. Seed with scanty or no endosperm.

[FTEA]

Thymelaeaceae, B. Peterson (University of Göteborg). Flora of Tropical East Africa. 1978

Morphology General Habit
Perennial herbs, shrubs or trees
Morphology General Bark
Bark smooth or rough, with or without lenticels
Morphology Leaves
Leaves alternate, rarely opposite, often ericoid
Morphology Reproductive morphology Inflorescences
Inflorescence spicate or ebracteate, few-flowered fascicles or bracteate, few–many-flowered terminal or axillary heads
Morphology Reproductive morphology Flowers
Flowers hermaphrodite, 4–5-merous, sessile or pedicelled
Morphology Reproductive morphology Flowers Calyx
Calyx-tube cylindric, glabrous or pubescent, usually articulated above the ovary, with the upper part falling off after flowering; lobes imbricate, always shorter than the tube, erect, spreading or reflexed, coloured
Morphology Reproductive morphology Flowers Corolla
Petals alternating with the calyx-lobes, entire or ± deeply divided, membranous or fleshy, often scaly or glandular, sometimes missing
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens in one whorl (not in East Africa) or two whorls in the throat of the calyx-tube, those of the upper whorl often partly exserted, opposite the calyx-lobes; anthers sessile or with very short filaments, sometimes heteromorphic
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary sessile or shortly stipitate, 1-locular, glabrous or pubescent; hypogynous disc membranous, cup-shaped or lobed, sometimes minute or lacking; style filiform, lateral; stigma capitate or club-shaped, papillate
Morphology Reproductive morphology Fruits
Fruit dry, small, enclosed by the persistent base of the calyx-tube
Morphology Reproductive morphology Seeds
Seed with scanty or no endosperm.

Native to:

Angola, Benin, Burundi, Cameroon, Cape Provinces, Central African Repu, Chad, Eritrea, Ethiopia, Free State, Gabon, Guinea, Guinea-Bissau, Ivory Coast, Kenya, KwaZulu-Natal, Lesotho, Liberia, Madagascar, Malawi, Mali, Mozambique, Niger, Nigeria, Northern Provinces, Rwanda, Sierra Leone, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Introduced into:

Canary Is., Madeira

Gnidia L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Schweinfurth [2851] K000322628 lectotype

First published in Sp. Pl.: 356 (1753)

Accepted by

  • Govaerts, R. (2003). World Checklist of Seed Plants Database in ACCESS G: 1-40325.

Literature

Flora of West Tropical Africa

  • —F.T.A. 6, 1: 216.

Flora Zambesiaca

  • A. Robyns in Fl. Afr. Centr., Thymelaeaceae: 36 (1975).
  • Aymonin in Fl. Cameroun 5: 49 (1966).
  • Bull. Cl. Phys.-Math. Acad. Imp. Sci. Saint-Pétersbourg 1: 359 (1843).
  • Bull. Jard. Bot. État 13: 340 (1935).
  • F.T.E.A., Thymelaeaceae: 18 (1978).
  • Fl. Afr. Centr., Thymelaeaceae: 36 (1975).
  • Fl. Cameroun 5: 49 (1966).
  • Gen. Pl., ed. 5: 168 (1754).
  • Peterson in F.T.E.A., Thymelaeaceae: 18 (1978).
  • Sp. Pl.: 358 (1753)
  • Staner in Bull. Jard. Bot. État 13: 340 (1935).

Flora of Tropical East Africa

  • A. Robyns in F.A.C. Thymelaeaceae: 36 (1975)
  • Aymonin in Fl. Gabon 11: 88 (1966)
  • Gastaldo in Webbia 24: 338 (1969)
  • L., Gen. Pl., ed. 5:168 (1754)
  • Peterson in Bot. Notis. 112: 465 (1959)
  • Sp.Pl.: 358 (1753)
  • Staner in B.J.B.B. 13: 340 (1935)
  • in Fl. Cameroun 5: 49 (1966)

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
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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