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Chaoyangia
Genus Chaoyangia S.-Y. Duan ex X. Wang Lect. Notes Earth Sci., 121: 52. 22 Jun 2010
- Name
- Chaoyangia
- Rank
- Genus
- Replaced Name
- [Genus] Chaoyangia
- Authors (Name)
- Duan S.-Y.
- Authors (Pub.)
- Wang X.
- Publication
- The dawn angiosperms [2010/6]
- Journal
- Lecture notes in earth sciences
- Volume
- 121
- Page number
- 52
- Year
- 2010
- Fossil Status
- inflorescences
- Diagnosis
- Dichasial bisexual flowering branch, with linear leaves. Branch with parallel longitudinal ribs and rare interconnections. Leaf with parallel veins and rare interconnections.Male flower, consisting of two parts, attached to the branch laterals below female flowers. Each part including a foliar structure, with numerous pollen sacs sessile on its adaxial surface and upward pricks along its margin. In situ pollen grain monocolpate. Female flower terminal, with an urceolate receptacle bearing forked hairs on its surface and enclosing three ovaries. Three carpels inserted on central bottom of receptacle, each forming an ovary at the bottom and a straight slender style with a terminal stigma. A single ovule inserted to ovary bottom. Fruit indehiscent. Seed single, enclosed in a fruit, attached to the base of the fruit. Hairs likely shed in mature infructescences.
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