Crantzia
| Crantzia | ||||||||||||
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Crantzia cristata |
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| Scientific name | ||||||||||||
| Crantzia | ||||||||||||
| Scop. |
Crantzia is a plant kind from the family of Gesneriad (Gesneriaceae). The four or so species occur only in the Neotropic .
description
They are herbaceous plants or subshrubs of several years . The species grow epiphytically or terrestrially. The simple leaves are mostly opposite.
In the leaf axils the flowers are usually too few together or they are solitary. The hermaphrodite, zygomorphic flowers are five-fold. The five sepals are almost free. The five petals are fused tubular or plate-shaped. The four stamens are more or less connected. Two-lobed capsule fruits are formed that contain many tiny seeds.
Systematics and distribution
The generic name Crantzia honors the physicist and botanist Heinrich Johann Nepomuk von Crantz . The species of the genus Crantzia were separated from the genus Alloplectus by JLClark in 2005/2006 . Synonyms for Crantzia Scop. are: Lophia Desv. , nom. illegal, Lophalix Raf. , Heintzia Karst. , Prionoplectus Oerst.
This genus occurs only in the Neotropic . The main distribution area are the Caribbean islands . There is one species in Venezuela , and one species is found on the Guiana shield.
There are about four types of Crantzia :
- Crantzia cristata (L.) Scop. ex Fritsch (Syn .: Besleria cristata L. , Alloplectus cristatus var. crenatus C.V. Morton , Alloplectus cristatus var. typicus Fournet , nom. superfl., Alloplectus cristatus (L.) Mart. , Alloplectus cristatus var. brevicalyx C.V.Morton , Alloplectus var. typicus Stehlé , nom. superfl., Alloplectus forseithii (Oerst.) Hanst. , Columnea cristata (L.) Kuntze , Columnea forseithii (Oerst.) Kuntze , Lophalix bicolor Raf. , Lophia phoenicea Desv. ex Hamilton , Prionoplectus cristatus ( L.) Oerst. , Prionoplectus forseithii Oerst. ): Home: Lesser Antilles : Dominica , Grenada , Guadeloupe , Martinique , St. Kitts and Nevis ( Nevis , St. Kitts ), St. Lucia , St. Vincent and the Grenadines ( St . Vincent ), Grenada.
- Crantzia epirotes (Leeuwenb.) JLClark (Syn .: Alloplectus cristatus var. Epirotes Leeuwenb. ): Home: Guyana
- Crantzia spectabilis (Wiehler ex LESkog & Steyerm.) JLClark (Syn .: Alloplectus spectabilis Wiehler ex LESkog & Steyerm. ): Home: Venezuela (Province: Sucre)
- Crantzia tigrina (Karst.) Fritsch (Syn .: Heintzia tigrina H.Karst. , Alloplectus tigrinus (Karst.) Hanst. , Columnea tigrina (Karst.) Kuntze, non Raymond , Heintzia picta H.Karst. , Nom. Nud. Pro syn.): Home: Venezuela (provinces: Aragua, Carabobo, Distrito Federal, Mérida, Miranda, Tovar)
swell
- Anton Weber & Laurence E. Skog: The Genera of Gesneriaceae from the Faculty of Botany at the University of Vienna & Department of Systematic Biology, Botany Smithsonian Institution, 2007: Crantzia .
- For species list, enter Crantzia in the search mask.
