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Primofilix
Genus Primofilix Doweld Bot. Zhurn. (Moscow & Leningrad), 86(12): 74. 21 Dec 2001
- Name
- Primofilix
- Rank
- Genus
- Authors (Pub.)
- Doweld A. B.
- Publication
- Re-classification and nomenclatural adjustments in the genus Botryopteris (Pteridophyta) [2001/12]
- Journal
- Botanicheskii Zhurnal
- Volume
- 86
- Issue
- 12
- Page number
- 74
- Year
- 2001
- Parent Taxon
- [Family] Botryopteridiaceae
- Fossil Status
- foliage
- Type
- Primofilix antiqua
- Diagnosis
- Paleozoic ferns with protostelic stems; protoxylem mesarch; petioles oval, dimorphic, with а single or dimerous protoxylem system, monarch petioles developed in а spiral succession, diarch petioles developed sporophytic buds giving rise to radiaIly organized daughter plantlets; roots diarch; sporangia with а short pedicel and а horizontal multiseriate annulus, aggregated into clusters (not sori) of usualIy 3 sporangia; spores triangular, trilete, of the Granulatisporites-type.
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