Gnetum - Wikipedia
Gnetum is a genus of gymnosperms, the sole genus in the family Gnetaceae within the Gnetophyta. They are tropical evergreen trees , shrubs and lianas . Unlike other gymnosperms, they possess vessel elements in the xylem .
Gnetum gnemon - Wikipedia
Gnetum gnemon is a gymnosperm species of Gnetum, its native area spans from Mizoram and Assam in India down south through Malay Peninsula, Malay Archipelago and the Philippines in southeast Asia to the western Pacific islands. [3]
Gnetum: Distribution, Habitat and Relationships | Gnetales
Gnetum seeds (Fig. 13.26) are oval to elongated in shape and green to red in colour. It remains surrounded by a three-layered envelope which encloses the embryo and the endosperm. Outer envelope is fleshy, and consists of parenchymatous cells.
A genome for gnetophytes and early evolution of seed plants
Jan 29, 2018 · Gnetophytes are an enigmatic gymnosperm lineage comprising three genera, Gnetum, Welwitschia and Ephedra, which are morphologically distinct from all other seed plants.
Gnetum africanum - Wikipedia
Gnetum africanum is found mainly in the humid tropical forest regions of Central African Republic, Cameroon, Gabon, Republic of the Congo, Democratic Republic of the Congo and Angola. It has been found in primary and secondary semi-deciduous humid forests, both in dense and sunny transitional savannah locations, ranging from sea-level to 1200 ...
Gnetophyte | Definition, Plants, Characteristics, Reproduction ...
gnetophyte, (division Gnetophyta), any member of the division Gnetophyta, a small group of gymnospermous vascular plants that are represented by three living genera: Ephedra, Gnetum, and Welwitschia. There are 65 species in the genus Ephedra, 30 …
Gnetum Are Neat! - In Defense of Plants
Jan 9, 2018 · Gnetaceae is home to a single genus, Gnetum, of which there are about 40 species. They can be found growing in tropical forests throughout South America, Africa, and Southeast Asia. Gnetum essentially come in two forms, small trees and larger, scrambling vines.
Gnetaceae | Gnetales, Gymnosperms, Conifers | Britannica
Gnetaceae, a family of tropical gymnosperms in the order Gnetales (division Gnetophyta), composed of one genus, Gnetum, with 30 or more species. Trees predominate among the African species; most of the Asian varieties are woody vines, but among the exceptions is G. gnemon, a tree about 20 metres.
gnetum family (Family Gnetaceae) - iNaturalist
Gnetum is a genus of gymnosperms, the sole genus in the family Gnetaceae and order Gnetales. They are tropical evergreen trees, shrubs and lianas. Unlike other gymnosperms, they possess vessel elements in the xylem.
Gnetum - an overview | ScienceDirect Topics
Gnetum (35 species) inhabits a variety of humid, tropical lowland, riparian, and swamp rainforests (> 1000 m above sea level) of South East Asia, Papua New Guinea, Fiji, the Americas (i.e., South America and as far north as Costa Rica), and Africa (Croat, 1970; Markgraf, 1951, 1965, 1972).