Pleiotaxis dewevrei O. Hoffm. ex T. Durand & De Wild.

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Pleiotaxis dewevrei

Habit
Undisturbed miombo woodland in sandy loam soil between Lumangwe and Kabwelume Falls
Mar 2017
Photo: Nick Wightman

Pleiotaxis dewevrei

Leaf base
Undisturbed miombo woodland in sandy loam soil between Lumangwe and Kabwelume Falls
Mar 2017
Photo: Nick Wightman

Pleiotaxis dewevrei

Flower
Undisturbed miombo woodland in sandy loam soil between Lumangwe and Kabwelume Falls
Mar 2017
Photo: Nick Wightman

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Synonyms: Pleiotaxis antunesii var. planifolia S.Moore
Pleiotaxis sciaphila S. Moore
Pleiotaxis vernonioides S. Moore
Common names:
Frequency: Occasional
Status: Native
Description:
Slender erect suffrutex growing from a woody rootstock; stems annual, 1-several, 20-90 cm. tall, unbranched or occasionally branching above, leafy to near apex, covered in soft white fine hairs; leaves ┬▒discolorous, sheathing stem at the base, 4.5-20 x 1-4 cm., narrowly oblong-lanceolate to narrowly-elliptic, tapering acute at apex, cuneate to rounded at base narrowing to a winged petiole-like midrib before grading into cylindrical or narrowly funnel-like, partially or deeply cleft sheath 5-20 mm. long, margins finely sharply irregularly serrate with serrations becoming linear teeth c. 5 mm. long towards base, upper surface green appressed hairy to glabrescent, lower surface whitish hairy; capitula solitary and terminal or 2-4 on long stout stalks; involucres mostly 22-30 x 18-28 mm. spreading to c. 45 mm. wide, obconic-campanulate; phyllaries numerous, appressed sheathing, sparsely puberulous to glabrescent outside, margins very narrowly hyaline c. 4 mm. long and narrowly ovate, increasing to c. 23 mm. long and lorate-lanceolate inside; middle phyllaries to 6 mm. wide, obtuse at apex; inner phyllaries narrower; florets very numerous; corollas bright to deep red, up to 25 mm. long with a long slender tube abruptly dilated into a short cylindric deeply narrowly-lobed limb which exceeds the pappus and involucre, glabrous; achenes 10-15 mm. long, narrowly cylindric, obscurely narrowly many-ribbed, densely hispid; pappus of copious barbellate setae 10-17 mm. long.
Type location:
DRC
Notes:
Derivation of specific name:
Habitat: Deciduous woodlands, usually miombo woodland in good understorey or amongst tall grasses in sandy soil or on rocky hillsides.
Altitude range:
Flowering time:Apr - Jun
Worldwide distribution: Tanzania, Burundi, DRC and Zambia.
Zambian distribution (Flora Zambesiaca): N,W
Zambian distribution (Provinces): Cb,N
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Tuesday 7 January 2020
Literature:

Pope, G.V. (1992). Compositae Flora Zambesiaca 6(1) Page 15.

Wild, H. (1972). The Compositae of the Flora Zambesiaca area. 3. Mutisieae. Kirkia 8(2) Page 196.

Other sources of information about Pleiotaxis dewevrei:

External websites:

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


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-20

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2020). Flora of Zambia: Species information: Pleiotaxis dewevrei.
https://www.zambiaflora.com/speciesdata/species.php?species_id=200250, retrieved 12 August 2020

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