Two new species of Nemesia (Scrophulariaceae) from the southern Cape, South Africa

Two new species of Nemesia Vent, are described from South Africa. Nemesia fourcadei is an annual with small white flowers, a yellow-orange pubescent palate, and violet lines at the base of the upper lip. It differs from the similar looking N. lucida Benth. by having larger flowers with a more promin...

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Bibliographic Details
Published in:Bothalia 2010, Vol.40 (2), p.161-166
Main Author: Steiner, K. E.
Format: Article
Language:English
Subjects:
Flowers
Gardens & gardening
Mountains
Nemesia Vent
New species
Physical characteristics
Scrophulariaceae
South Africa
southern Cape
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Description
Summary:Two new species of Nemesia Vent, are described from South Africa. Nemesia fourcadei is an annual with small white flowers, a yellow-orange pubescent palate, and violet lines at the base of the upper lip. It differs from the similar looking N. lucida Benth. by having larger flowers with a more prominent spur (mostly 3.5—4.5 mm long vs 1.5 mm) and a pubescent palate. N. fourcadei is known from only two locations in the southern Cape. N. elata is a facultative perennial with white flowers, a lavender to purple reverse, and a white or very pale yellow palate. It is known only from the Langeberg and Oute-niqua Mountains between Swellendam and Montagu Pass. It is closest to N. fourcadei. but differs from that species by its more robust habit, the absence of a boss inside the corolla tube at the base of the hypochile, and a spur that is violet to purple at the base.
ISSN:0006-8241
2311-9284
DOI:10.4102/abc.v40i2.206