Streptocarpus Lindl.
  • Sketch Veg. Swan R. t. 1173. 1828.


Cite taxon page as 'WFO (2020): Streptocarpus Lindl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000036850. Accessed on: 31 May 2020'

Morphology

Calyx usually divided to the base into 5 segments, more rarely with a distinct tube and 5 teeth.

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    Corolla gamopetalous, 5-lobed, most often distinctly bilabiate.

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    Leaves opposite and petiolate in the caulescent species (very rarely alternate and sessile, and then the flowering axis with a very large basal leaf); in the acaulescent species the leaf may show continued growth from a basal meristem, evidenced by wide-spreading lateral veins and frequent absence of intact apex; indumentum of simple glandular or eglandular hairs, rarely of branched hairs; sessile or subsessile glands usually present: the lower surface of the leaf sometimes white-dotted due to the presence of stomatal turrets.

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    Inflorescences axillary or apparently from base of lamina or from leaf-stalk; cymose, branching, sometimes more or less one-sided, the flowers paired, rarely reduced to two flowers or only one.

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    Stamens arising at various levels on the corolla tube, the anterior 2 only fertile; lateral staminodes usually present, the posterior one often missing; filaments variable in length, often thickened in the middle; anthers with divaricate, rarely parallel, lobes, the lines of dehiscence confluent at the apex, usually cohering face to face.

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    Disk annular or shortly cupular.

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    Ovary usually unilocular, but sometimes apparently bilocular by fusion of the T-shaped intrusive placentae; ovules restricted to the recurved tips of the placentae; ovary narrowed, often very gradually, into the style; stigma variable.

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    Capsule more or less cylindrical, varying from short and broad (5 mm.) to long and slender (180 mm.), twisting spirally before maturity, dehiscing by a loculicidal slit and slight untwisting of the spiral, when old sometimes splitting into 4 valves.

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    Seeds numerous, small, with very little endosperm, reticulate or verruculose.

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    Herbs, rarely subshrubs; caulescent, erect or creeping, or acaulescent, rosulate or unifoliate; annual, perennial or monocarpic.

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    Seedlings with the cotyledons becoming unequal after germination.

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    Included Species

     Information From

    Gesneriaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Plants Of the World Online Portal - FZ
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • B
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).