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Lebowskia
Genus Lebowskia Looy Int. J. Pl. Sci., 168(6): 959. Jul - Aug 2007
- Name
- Lebowskia
- Rank
- Genus
- Authors (Pub.)
- Looy C. V.
- Publication
- Extending the range of derived Late Paleozoic conifers: Lebowskia gen. nov. (Majonicaceae) [2007/7-8]
- Journal
- International Journal of Plant Sciences
- Volume
- 168
- Issue
- 6
- Page number
- 959
- Year
- 2007
- Parent Taxon
- [Family] Majonicaceae
- Fossil Status
- leafy twigs (with cones)
- Type
- Lebowskia grandifolia
- Diagnosis
- Vegetative shoots with helically arranged
leaves. Branching patterns not known. Leaves linear to narrow
oblanceolate with obtuse apex. Ovuliferous cone compound
with bract–dwarf shoot complexes helically arranged around
axis. Bract linear with obtuse apex. Dwarf shoots bilaterally
symmetrical, longer than wide, with five partially fused ovate
scales; one larger median scale, two fertile lateral scales, and
two sterile scales at intermediate positions. Ovules attached basally
on abaxial surface of the fertile scales. Dwarf shoot base
stalklike, partially fused with bract. Seeds and ovules flattened,
rhomboidal. Polliniferous cone not known. Epidermal surface
of leaves and dwarf shoots amphistomatic, stomatal complexes
scattered, infrequent within short rows. Stomatal complexes
monocyclic with three to eight subsidiary cells. Epidermal cells
large.
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