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Halleophyton zhichangense
Halleophyton zhichangense C.-S. Li, D. Edwards Amer. J. Bot., 84(10): 1448. 15 Oct 1997
- Name
- Halleophyton zhichangense
- Rank
- Species
- Generic Name
- [Genus] Halleophyton
- Authors (Pub.)
- Li C.-S.
Edwards D.
- Publication
- A new microphyllous plant from the Lower Devonian of Yunnan province, China [1997/10]
- Journal
- American Journal of Botany
- Volume
- 84
- Issue
- 10
- Page number
- 1448
- Year
- 1997
- Fossil Status
- stems (with sporangia)
- Stratigraphy
- Pragian
- Strat. comment
- Posongchong Formation
- Location
- Zhichang Village, Gumu Town, Wenshan District, Yunnan Province, China
- Paleoregion
- Cathaysia (South)
Data for Holotypus
- Repository Number
- CBYn 9003001a/b
- Diagnosis
- Leaf blades at least 5 mm long and 0.61–0.84 mm wide (X¯ 5 0.74; N 5 52). Leaf bases 0.67–3.13 mm high (X¯ 5 2.3; N 5 37) and 0.92– 2.92 mm wide (X¯ 5 2.04; N 5 38). Leaves arranged in shallow helices to pseudowhorled: ;12 leaves/gyre. Leaves in fertile zone similar in shape to those in sterile, but with less rigid bases. Sporangial height 1.87–3.3 mm (X¯ 5 2.55; N 5 11), sporangial width 1.67–3.13 mm (X¯ 5 2.61; N 5 11). Attachment area 5 1.19 mm wide
