Back
Rickwoodopteris hirsuta
Rickwoodopteris hirsuta Stockey, G.W. Rothwell Rev. Palaeobot. Palynol., 132(1-2): 105. Nov 2004
- Name
- Rickwoodopteris hirsuta
- Rank
- Species
- Generic Name
- [Genus] Rickwoodopteris
- Authors (Pub.)
- Stockey R. A.
Rothwell G. W.
- Publication
- Cretaceous tree ferns of western North America: Rickwoodopteris hirsuta gen. et sp. nov. (Cyatheaceae s.l.) [2004/11]
- Journal
- Review of Palaeobotany and Palynology
- Volume
- 132
- Issue
- 1-2
- Page number
- 105
- Year
- 2004
- Fossil Status
- stems
- Stratigraphy
- Campanian
- Strat. comment
- Spray Formation, Nanaimo Group
- Location
- On the beach at Shelter Point, south of Campbell River, Vancouver Island, British Columbia, Canada
- Paleoregion
- America (North)
Data for Holotypus
- Repository
- Courtenay and District Museum and Archives, Couternay, Canada
- Repository Number
- CDMA 2002.9.1
- Diagnosis
- Trunk up to 7 cm in diameter;
frond bases helically arranged, oval, 1.2–1.5 cm
wide, 1.5–2.5 cm high. Pith sclerenchymatous at
center and parenchymatous at periphery; sclerotic
nests, mucilage canals and cuboidal cells absent from
ground tissues. Cauline xylem 1.8–2.5 mm thick;
frond trace xylem ca. 0.2 mm thick. Rachis with
sclerotic hypodermis; T-shaped sclerenchyma attached
to hypodermis adaxially.
