The INTERNATIONAL FOSSIL PLANT NAMES INDEX
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants and the International Code of Zoological Nomenclature © 2014-2022

IDNAME urn:idName:ifpni.org:supragenus:2C68E5CC-58FE-3B48-2BF2-FF2377F3D33A supragenus
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Siphonospermoideae

Subfamily Siphonospermoideae Y. Yang Phytotaxa, 158(3): 286. 4 Feb 2014
Name
Siphonospermoideae
Rank
Subfamily
Authors (Pub.)
Yang Y.  
Publication
A systematic classification of Ephedraceae: living and fossil [2014/2]
Journal
Phytotaxa
Volume
158
Issue
3
Page number
286
Year
2014
Parent Taxon
[Family] Ephedraceae
Type
[Genus] Siphonospermum
Diagnosis
This subfamily possesses typical ephedroid morphology, the reproductive shoots consist of nodes and internodes, internodes are usually furrowed; leaves are lengthy, linear and parallel-veined; the characteristic female reproductive unit (seed/ovule) present, but terminal to twigs without subtending bracts.

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