Dissotis denticulata A. Fern. & R. Fern.

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Synonyms:
Common names:
Frequency:
Status: Native
Description:
A shrub up to 2–5 m. high or a perennial herb. Branches 2–3-nate, bluntly 6-gonous or terete, ± densely and patently setose (the bristles whitish to rusty, usually long, pectinate-branched from a bulbous base) towards the apex, the oldest scabrous. Leaves 2–3-nate; lamina 2·3–11·5 x 1·8–5 cm., ovate-lanceolate or ovate, cordate at base (those of the flowering branches the smallest and most deeply cordate), subacute at the apex, conspicuously denticulate at the margin, discolorous, dark or brownish-green above and whitish or pale-green below (the old leaves often turning bright red), rather thick, rough on the upper face with subconic prominences each ending in a simple white rather long bristle, densely covered on the under side by long thin silvery hairs, longitudinally 5–7-nerved, the longitudinal nerves impressed above, raised and appressed-scaly-setose beneath (the scales with a thick laterally dentate-setose base ending in a long bristle); petiole 0·2–2·5 mm. long, scaly-setose. Flowers 5-merous, subsessile in short compact t^nninal panicles; bracts up to 9x8 mm., subcircular, obtuse, caducous. Receptacle 8–10 x 6–7 mm., cylindric, densely setose (bristles simple or divided from the base) and with many ± patent linear appendages up to 2·5 mm. long, ending in a small stellate-setose disk (the bristles of the terminal disks ascending, numerous up to 2·5 mm. long, rather stout, whitish); intersepalar segments like the uppermost receptacle-appendages but longer. Sepals c. 9 x 5 mm., oblong, obliquely truncate dorsally minutely appressed-setose and with a stellate-setose appendage at the apex, caducous. Petals c. 2·8 x 2 cm., purple or rose. Longer stamens: anthers 10–13 mm. long; pedoconnective c. 15 mm. long with the basal appendage c. 1 mm. long; filaments 7–8 mm. long. Shorter stamens: anthers 8–12 mm. Long; pedoconnective c. 3 mm. long with the basal appendage 0·5 mm. long; filaments c. 10 mm. long. Fructiferous receptacle up to 11 x 10 mm., broadly cylindric or subspherical. Capsule ovoid, ± equalling the receptacle, appressed-setose on the upper half.
From FZ, Vol 4, Part 0, page 220, (1978) Author: R. and A. Fernandes
Type location:
Zambia
Notes:
Derivation of specific name:
Habitat: In swampy grasslands, forests and river banks
Altitude range:
Flowering time:
Worldwide distribution: Zambia, DRC and Tanzania
Zambian distribution (Flora Zambesiaca): N,C
Zambian distribution (Provinces): Lp,N,C
Growth form(s):
Endemic status: Near Endemic
Red data list status:
Insects associated with this species: Pseudargynnis hegemone (Larval foodplant)
Spot characters: Display spot characters for this species
Content last updated: Tuesday 22 August 2017
Literature:

Fernandes, R. & A. (1961). Contribution to the knowledge of the MELASTOMATOIDEAE of the Federation of Rhodesia and Nyasaland Kirkia 1 Page 76.

Fernandes, R. & A. (1978). Melastomataceae Flora Zambesiaca 4 Pages 265 - 267. (Includes a picture).

Other sources of information about Dissotis denticulata:

External websites:

African Plants: A Photo Guide (Senckenberg): Dissotis denticulata
BHL (Biodiversity Heritage Library): Dissotis denticulata
EOL (Encyclopedia of Life): Dissotis denticulata
ePIC (electronic Plant Information Center): Dissotis denticulata
Flora Zambesiaca web site: Dissotis denticulata
GBIF (Global Biodiversity Information Facility): Dissotis denticulata
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Dissotis denticulata
iNaturalist: Dissotis denticulata
IPNI (International Plant Names Index): Dissotis denticulata
JSTOR Plant Science: Dissotis denticulata
Kew Herbarium catalogue: Dissotis denticulata
Mansfeld World Database of Agricultural and Horticultural Crops: Dissotis denticulata
Plants of the World Online: Dissotis denticulata
The Plant List (version 1.1): Dissotis denticulata
Tropicos: Dissotis denticulata
Wikipedia: Dissotis denticulata


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-19

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2019). Flora of Zambia: Species information: Dissotis denticulata.
https://www.zambiaflora.com/speciesdata/species.php?species_id=191850, retrieved 17 September 2019

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