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This genus is accepted, and its native range is Australia.
A specimen from Kew's Herbarium

[FZ]

Solanaceae, A.E. Gonçalves. Flora Zambesiaca 8:4. 2005

Morphology General Habit
Shrubs, less often small trees, glabrous or finely puberulous.
Morphology Leaves
Leaves solitary, alternate, or sometimes in pairs, one larger than the other, appearing opposite, petiolate, entire to dentate.
Morphology Reproductive morphology Flowers
Flowers (1)few–numerous in axillary fascicles; pedicels slender, actinomorphic.
Morphology Reproductive morphology Flowers Calyx
Calyx shorter than or as long as the corolla tube, shortly and broadly campanulate, 5-lobed, the lobes subequal or unequal, shorter than the tube, with valvate aestivation; in fruit not or slightly enlarged, not enclosing it.
Morphology Reproductive morphology Flowers Corolla
Corolla whitish or yellowish to greenish or brownish-green, campanulate or urceolate, occasionally ± tubular, ± glabrous inside; limb not plicate, 5-lobed, spreading or ± reflexed, the lobes ± half as long as the tube, triangular to ± oblong, with induplicate-valvate or valvate aestivation.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5, equal or subequal, inserted at or above the middle of the corolla tube, included; filaments short, filiform, often dilated at the base, partly adnate to the corolla tube; anthers oblong or slightly ovate in outline, straight, dorsifixed below the middle, the thecae separated from each other for their lower third, dehiscing by longitudinal slits.
Morphology Reproductive morphology Flowers Disc
Disk fleshy, 5-sulcate, annular, adnate to and surrounding the basal part of the ovary.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary conical to globose, 2(or incompletely 5)-locular; ovules campylotropous, numerous–many in each locule, on a fleshy, axile placenta; style short, terete; stigma depressed-capitate or peltate, included.
Morphology Reproductive morphology Fruits
Fruit baccaceous, ± globose, juicy.
Morphology Reproductive morphology Seeds
Seeds numerous, much compressed, orbicular or ± reniform; testa somewhat leathery, ± reticulate-foveolate; embryo strongly curved, sub-orbicular, flattened, sub-peripheral in the abundant endosperm; radicle ± terete; cotyledons semi-terete.

Native to:

New South Wales, South Australia, Tasmania, Western Australia

Tricostularia Nees ex Lehm. appears in other Kew resources:

First published in Nov. Stirp. Pug. 8: 50 (1844)

Accepted by

  • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.

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