Pandiaka rubro-lutea (Lopr.) C.C. Towns.

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Habit
Savannah grasslands
Nsumbu National Park
May 2020
Photo: Nick Wightman

Inflorescence
Savannah grasslands
Nsumbu National Park
May 2020
Photo: Nick Wightman

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Synonyms:	Achyranthes rubro-lutea Lopr. Pandiaka andongensis Hiern
Common names:
Frequency:	Locally common
Status:	Native
Description:	Annual herb, usually much branched growing up to 90 cm tall; stem and branches ridged, often reddish, moderately to densely covered in long soft hairs; leaves broadly obovate to linear, 1.5-8.5 x 0.2-3.5 cm., thinly to moderately covered in long soft hairs, sessile, blunt to subacute at apex; inflorescence green with apices of bracts, bracteoles and tepals frequently pink to carmine, conical when young but becoming subglobose to cylindrical, 1.2-6.5 x 1.2-1.4 cm., very dense on a short to long peduncle up to 11 cm. long or rarely sessile through branch-condensation and then often with short lateral inflorescences at the base; bracts ovate-lanceolate, 3-5 mm. long, white-membranous, glabrous or sparingly hairy along the central dorsal surface, tapering to apex; bracteoles narrower, lanceolate, 2.75-5 mm. long, more densely hairy; flowers truncate at base, fused to bracteoles and attached to the inflorescence axis by a knob-like stalk; tepals lanceolate-subulate, greenish with stout midrib ending in a pale to reddish pointed tip 1-2 mm. long, outer 5.5-7 mm. long with upwardly directed white hairs, inner c. 1 mm. shorter and narrower; perianth and bracteoles falling in one unit in fruit; capsule oblong-ovoid, 2-2.25 mm. long; seed c. 2 mm. long, oblong-ellipsoid, shiny brown.
Type location:	Angola
Notes:
Derivation of specific name:
Habitat:	On sandy soil along roadsides and woodland tracks, in open Brachystegia or Julbernardia woodland, in grassland or waste ground, occasionally in thin soil over or near granite rocks, or banks by lakes or watercourses.
Altitude range:	150 - 1520 m
Flowering time:	Feb - May
Worldwide distribution:	Angola, DRC (Katanga), Zambia, Zimbabwe, Malawi, Mozambique, Tanzania, Rwanda and Burundi.
Zambian distribution (Flora Zambesiaca):	B,N,W,C
Zambian distribution (Provinces):	Nw,N,C
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:	Saturday 25 July 2020
Literature:	Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 16. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 21. Townsend, C.C. (1988). Amaranthaceae Flora Zambesiaca 9(1) Pages 116 - 118. (Includes a picture).

Other sources of information about Pandiaka rubro-lutea:

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Flora of Burundi: Pandiaka rubro-lutea
Flora of Malawi: Pandiaka rubro-lutea
Flora of Mozambique: Pandiaka rubro-lutea
Flora of Zimbabwe: Pandiaka rubro-lutea

External websites:

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