Gutenbergia cordifolia Benth. ex Oliv.
var. marginata (O. Hoffm.) C. Jeffrey

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Photo: Bart Wursten
Ndundu Lodge, Vumba

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Synonyms:	Bothriocline marginata O. Hoffm. Erlangea marginata (O. Hoffm.) S. Moore Gutenbergia marginata (Oliv. & Hiern) Wild & G.V. Pope Vernonia marginata Oliv. & Hiern
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Description:	Spreading perennial, branching subshrubby herb, up to 2.5 m tall. Mostly herbaceous but sometimes woody at the base. Leaves alternate, elliptic to ovate, up to 11 × 5 cm but mostly much smaller on the branches, somewhat grey-green above, covered in fine silvery-white appressed, short T-shaped hairs below; margin finely serrulate to almost entire. Capitula numerous in lax clusters. Involucral bracts bristly. Florets discoid, purple.
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Derivation of specific name:	cordifolia: with cordate (heart-shaped) leaves
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Flowering time:	Apr - Jun
Worldwide distribution:	(this variety) DRC, Tanzania, Malawi, Mozambique, Zimbabwe.
Malawi distribution:
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Endemic status:
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Spot characters:	Display spot characters for this species
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 25. Pope, G.V. (1992). Compositae Flora Zambesiaca 6(1) Pages 153 - 155. (Includes a picture). Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 53.

Other sources of information about Gutenbergia cordifolia var. marginata:

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Flora of Mozambique: Gutenbergia cordifolia var. marginata
Flora of Zimbabwe: Gutenbergia cordifolia var. marginata

External websites:

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