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Exbucklandia acutifolia
Exbucklandia acutifolia J. Huang, Z.-K. Zhou in J. Huang, G. Shi, Su, Z.-K. Zhou Rev. Palaeobot. Palynol., 244: 99. 22 Oct 2016
- Name
- Exbucklandia acutifolia
- Rank
- Species
- Generic Name
- [Genus] Exbucklandia
- Authors (Name)
- Huang J.
Zhou Z.-K.
- Authors (Pub.)
- Huang J.
Shi G.
Su T.
Zhou Z.-K.
- Publication
- Miocene Exbucklandia (Hamamelidaceae) from Yunnan, China and its biogeographic and palaeoecologic implications [2016/10]
- Journal
- Review of Palaeobotany and Palynology
- Volume
- 244
- Page number
- 99
- Year
- 2016
- Fossil Status
- leaves
- Stratigraphy
- Miocene
- Location
- Dashidong Village, Wenshan County, Yunnan Province, China
- Paleoregion
- Eurasia (China)
Data for Holotypus
- Repository
- Palaeoecological Laboratory, Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, CAS, Mengla, China
- Repository Number
- DMS-1167
Data for Paratypus
- Repository
- Palaeoecological Laboratory, Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, CAS, Mengla, China
- Repository Number
- DMS-2983, DMS-2978, DMS-1159, DMS-2993,
DMS-1645, DMS-1654, DMS-1168
- Diagnosis
- Leaf lamina ovate to broad-ovate, relatively slender,
L:W ratio = 1.8. Lamina slightly 3 palmate lobed. Apex acuminate,
straight to drip-tip. Base truncate to convex. Petiole terete, sulcate
with pulvinulate base. Primary venation pinnate with one pair
acute basal secondary veins (rarely 2 pairs). Major secondary venations
festooned brochidodromous. Intercostal tertiary veins irregular
reticulate to mixed percurrent. Quaternary and quinternary veins irregularly
reticulate. Freely ending veinlets (FEV) 2 ormore with dendritic
branching with tracheoid idioblasts.
