Back
Tylerianthus
Genus Tylerianthus Gandolfo, Nixon, Crepet Amer. J. Bot., 85(3): 376. 24 Mar 1998
- Name
- Tylerianthus
- Rank
- Genus
- Authors (Pub.)
- Gandolfo M. A.
Nixon K. C.
Crepet W. L.
- Publication
- Tylerianthus crossmanensis gen. et sp. nov. (aff. Hydrangeaceae) from the Upper Cretaceous of New Jersey [1998/3]
- Journal
- American Journal of Botany
- Volume
- 85
- Issue
- 3
- Page number
- 376
- Year
- 1998
- Parent Taxon
- [Order] Saxifragales
- Fossil Status
- flowers (bisexual)
- Type
- Tylerianthus crossmanensis
- Diagnosis
- Flowers bisexual, actinomorphic, pentamerous, perigynous; sepals five, abaxial and adaxial surfaces glabrous or bearing simple trichomes, borne on a hypanthium half the height of the carpels; androecium of one cycle, stamens five, alternating with five terete staminodes; filaments of stamens slender, terete; anthers tetrasporangiate, dithecal; intrastaminal nectary disc glandular; gynoecium bicarpellate with semi-inferior ovary, the two carpels connate basally but divergent apically, each with a single free style; ovules approximately six, anatropous, on axile placentae; fruit a capsule with longitudinal-apical dehiscence along the sutures.
Links by generics
Species
