Crossandra sulphurea G.Taylor

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Habit
Brachystegia woodland
Tondwa GMA, Nsama District
Mar 2024
Photo: Nick Wightman

Flower
Brachystegia woodland
Tondwa GMA, Nsama District
Mar 2024
Photo: Nick Wightman

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Synonyms:
Common names:
Frequency:	Local
Status:	Native
Description:	Acaulescent herb from a creeping woody rootstock. Leaves in a rosette, appressed to ground, sericeous or sparsely so, densely so or woolly near base and on petiole, sessile or petiole up to 5 cm long; lamina ovate, elliptic or obovate or narrowly so, largest 11–27 × 3–6 cm, entire or crenate-dentate. Spike 3–9 cm long; peduncle 0.5–8 cm long. Sterile bracts in several pairs, ovate to elliptic, 10–25 mm long, acute to cuspidate, entire, villose; fertile bracts coriaceous, elliptic to spathulate in outline, 18–25 × 10–18 mm, puberulous and pilose, with long capitate glands, also densely ciliate. Sepals ovate, cuspidate, sparsely to densely pilose, with long capitate glands, densely ciliate, dorsal 14–20 mm long, ventral 13–18 mm long, lateral 10–13 mm long. Corolla bright lemon yellow, with capitate glands; tube 13–15 mm long, straight; limb 15–22(25) mm long. Capsule (immature) c.9 mm long. Seeds not seen.
Type location:	Zambia
Notes:	Apparently endemic to the far north-eastern corner of Zambia up to, and probably occurring in the far south-western corner of Tanzania. Endemic status: End or NrEnd
Derivation of specific name:	sulphurea: yellow (in Latin), in reference to the flower colour.
Habitat:	Brachystegia woodland on sandy soil
Altitude range:	750 - 1700 m
Flowering time:	Apr – Aug
Worldwide distribution:	Zambia
Zambian distribution (Flora Zambesiaca):	N
Zambian distribution (Provinces):	N
Growth form(s):	Perennial.
Endemic status:	Near Endemic
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Content last updated:	Monday 22 July 2024
Literature:	Vollesen, K. (2013). Acanthaceae (Part 1) Flora Zambesiaca 8(5) Page 100.

Other sources of information about Crossandra sulphurea:

External websites:

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