Ancistrorhynchus ovatus Summerh.

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Habit
Riverine forest
Chimpempe Falls, Mporokoso Distr.
Oct 2018
Photo: Nick Wightman

Habit on fallen branch
Riverine forest
Chimpempe Falls, Mporokoso Distr.
Oct 2018
Photo: Nick Wightman

Inflorescence
Riverine forest
Lumangwe-Kabwelume Falls, Mporokoso Distr.
Apr 2018
Photo: Nick Wightman

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Synonyms:
Common names:
Frequency:	Locally common
Status:	Native
Description:	Epiphytic herb with pendent to ascending arcuate stems up to 20 cm long; leaves linear, 7-19 x 0.5-1.4 cm, unequally bilobed at the apex; inflorescences capitate, 1–2 cm. long and across; flowers white; pedicel and ovary 6–8 mm. long; dorsal sepal oblong-elliptic or obovate-elliptic, rounded, 3.3–4.4 mm x 1.3–2 mm; lateral sepals oblique, elliptic-oblong, rounded, 3.5–4.8 mm x 1.3–2.1 mm; petals broadly elliptic-oblanceolate, rounded, 3.2–4.5 mm x 2.4–4.3 mm; lip concave, broadly ovate or ovate-orbicular, rounded, 3–4.8 mm x 2.4–4.3 mm, with undulate margins; spur clavate, 4.6–5.8 mm long.
Type location:	Uganda
Notes:	Only known in Zambia from riverine island forest vegetation along parts of the Kalungwishi River.
Derivation of specific name:	ovatus: ovate, in reference to the shape of the lip.
Habitat:	Riverine island evergreen forest
Altitude range:	1200 - 1600 m
Flowering time:	Mar - Apr
Worldwide distribution:	Central African Republic south through Gabon, Congo, DRC and Uganda to Zambia
Zambian distribution (Flora Zambesiaca):	N
Zambian distribution (Provinces):	Lp,N
Growth form(s):	Epiphyte.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Content last updated:	Monday 3 October 2022
Literature:	Wightman, N. & Bytebier, B. (2021). Ancistrorhynchus (Orchidaceae), a new generic record for the Flora of Zambia Phytotaxa 528 Pages 59 - 61.

Other sources of information about Ancistrorhynchus ovatus:

External websites:

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