Pleiotaxis antunesii O.Hoffm.

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Disturbed miombo woodland in sandy loam soil
Near Munshimbwe Rapids
Oct 2018
Photo: Nick Wightman

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Synonyms:
Common names:
Frequency:	Occasional
Status:	Native
Description:	Erect silvery-grey suffrutex growing from a woody rootstock; stems annual, 1-several, 20-60 cm. tall, usually unbranched, leafy with leaves crowded on lower stem and usually leafless near apex, densely covered white hairs; leaves ±discolorous, bullate, sessile, hardly sheathing stem or not, 5-15 x 2-5 cm., elliptic, acute at apex, not or slightly narrowing below to semi sheathing base, margins unevenly serrulate sometime obscurely so, finely silvery-grey hairy on both surfaces though more densely so on under surface; capitula large, solitary and terminal borne well above foliage on stout, densely grey hairy stalks; involucres mostly 25-30 x 20-25 mm. spreading to c. 50 mm. wide, turbinate; phyllaries numerous, stiffly subcoriaceous, at first appressed sheathing soon loosely spreading, sparsely felted-hairy, margins narrowly hyaline, glabrous or sometimes lacerate or shallowly torn about apex, from 4 mm. long and narrowly triangular outside, increasing to c. 25 mm. long becoming linear inside; middle phyllaries to 7 mm. wide and lorate-lanceolate; inner phyllaries narrower; florets very numerous; corollas brilliant to pale red, up to c. 30 mm. long with a long slender tube abruptly dilated into a short cylindric deeply lobed limb which exceeds the pappus and involucre, glabrous, corolla lobes 6-7 mm. long, linear; achenes c. 9 mm. long, narrowly cylindric, obscurely narrowly many-ribbed, densely appresseed hispid; pappus of copious subplumose-barbellate setae c. 16 mm. long.
Type location:	Angola
Notes:	Like P.eximia, but leaves sessile
Derivation of specific name:
Habitat:	Baikiaea woodland on Kalahari Sand.
Altitude range:
Flowering time:	Feb - Mar
Worldwide distribution:	Angola, DRC and Zambia.
Zambian distribution (Flora Zambesiaca):	B
Zambian distribution (Provinces):	W
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 14 May 2019
Literature:	Pope, G.V. (1992). Compositae Flora Zambesiaca 6(1) Pages 16 - 17. Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 200.

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Flora of Caprivi: Pleiotaxis antunesii

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African Plants: A Photo Guide (Senckenberg): Pleiotaxis antunesii
BHL (Biodiversity Heritage Library): Pleiotaxis antunesii
EOL (Encyclopedia of Life): Pleiotaxis antunesii
GBIF (Global Biodiversity Information Facility): Pleiotaxis antunesii
Google: Web - Images - Scholar
iNaturalist: Pleiotaxis antunesii
IPNI (International Plant Names Index): Pleiotaxis antunesii
JSTOR Plant Science: Pleiotaxis antunesii
Mansfeld World Database of Agricultural and Horticultural Crops: Pleiotaxis antunesii
Plants of the World Online: Pleiotaxis antunesii
Tropicos: Pleiotaxis antunesii
Wikipedia: Pleiotaxis antunesii