Impatiens tinctoria A. Rich.
subsp. latifolia Grey-Wilson

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Photo: Bart Wursten
Main road from Thazima Gate, Nyika National Park

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Synonyms:	Impatiens prainiana sensu Launert non Gilg.
Common names:
Frequency:
Status:	Native
Description:	A tall, much-branched shrubby perennial, up to 2·2 m high or more; stems up to 3·8 cm. in diam., pale green flecked with brown, usually hairless. Leaves spirally arranged, more or less broadly elliptic to ovate, 5·5–15 cm long, bright green above, greyish-green beneath, thinly textured, hairless on both surfaces or very shortly hairy beneath when young; margin crenulate-denticulate; petiole mostly 2–6 cm long, usually hairless. Flowers in lax open racemes, very showy, white with reddish marks at the base of the lateral petals; peduncle 7–20 cm long, hairless or very sparsely hairy; bracts, elliptic or ovate, 6–9 mm long, usually hairless, persistent; pedicels up to 3·3 cm long, usually hairless, somewhat fleshy. Lateral sepals 2, ovate-oblong, up to 10 mm long and 4 mm wide, hairless or very shortly hairy; posterior sepal 2·25–2·8 cm long and c. 1·5 cm deep, obliquely-funnel-shaped, gradually tapering into a slender spur 7–10 cm long, usually incurved, rarely straight, slightly thickened at the end. Lateral united petals 3·5–4·5 cm long, deeply 2-lobed, hairless; anterior lobe broadly oblique-obovate, up to 3 × 3 cm or more; posterior lobe much smaller, obovate-oblong to obovate, c. 7·5 × 6 mm. Capsule fusiform, broader in the upper half, 2–3 cm long, apex more or less beaked, hairless.
Notes:
Derivation of specific name:
Habitat:	In forest patches along gullies and streams or along roadsides in forest, usually in damp shady places.
Altitude range:	1750 - 2250 m
Flowering time:	Nov - May
Worldwide distribution:	Southern Tanzania, northern Malawi and Zambia (Nyika only).
Malawi distribution:	N
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 115. (Includes a picture). Grey-Wilson, C. (1980). Impatiens of Africa A.A. Balkema, Rotterdam Pages 154 - 158. (Includes a picture). Launert, E. (1963). Balsaminaceae Flora Zambesiaca 2(1) Page 166. As Impatiens prainiana Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 35.

Other sources of information about Impatiens tinctoria subsp. latifolia:

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Flora of Zambia: Impatiens tinctoria subsp. latifolia

External websites:

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