Coccinia
| Coccinia | |
|---|---|
 |
|
| Coccinia grandis | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Cucurbitales |
| Family: | Cucurbitaceae |
| Subfamily: | Cucurbitoideae |
| Tribe: | Benincaseae |
| Subtribe: | Benincasinae |
| Genus: |
Coccinia Wight & Arn. |
| Species | |
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| Synonyms | |
The scarlet gourds are a genus (Coccinia from the Greek, kokkinia or kokkinias - "red" or "scarlet") with 25 species. It is distributed in sub-Saharan Africa and with one species, C. grandis also in South and South-east Asia, and it is also introduced into the New World. Incidentally, C. grandis is also a cultivated crop and it is used for culinary and medical purposes.
Coccinia species are perennial climbing or creeping herbs. Climbing is supported by simple of unequally bifid tendrils. Most species develop a tuber from the hypocotyl, sometimes on roots. The cotyledons are simple, entire and have an blunt tip. The leaves are usually stalked, rarely sessile. The leaves are simple to deeply lobed, usually with teeth along the margin. The lower leaf side often bears small nectar-producing glands.
Coccinia species are dioecious, meaning that individual plants produce flowers with only male or only female organs. The sepals are connected and have five triangulate to lineal lobes. The corolla is also connected at the base and has five free lobes. The color of the corolla is creamy white to yellowish orange, rarely also snow-white or pinkish. The male flowers are solitary, in fascicles or often in racemes, female flowers are usually solitary, sometimes also in racemes. Male flowers have three stamens that are connected to a single filament column. The anthers form a globose head. The pollen is produced in S-shaped thecae. Female flowers have an inferior ovary consisting of three carpels and producing a single style. Each carpel ends in a bulging or 2-lobed stigma. Whereas male flowers lack any sign of female organs, female flowers contain three sterile stamens (staminodes). The fruit is a berry with red flesh and a red skin that rarely exhibits a white longitudinal mottling. The seeds are enclosed in a juicy hull (aril), grayish-beige, flat to lentil-shaped.
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Wikipedia