Betula L.
Details
Biostatus
Nomenclature
L.
L.
1753
982-983
ICN
Betula L.
genus
Betula
Classification
Subordinates
- Betula alba
- Betula albosinensis
- Betula alleghaniensis
- Betula alnus
- Betula bella
- Betula chinensis
- Betula crispa
- Betula davurica
- Betula ermanii
- Betula glandulosa
- Betula glutinosa
- Betula grossa
- Betula humilis
- Betula jacquemontii
- Betula japonica
- Betula lenta
- Betula lutea
- Betula mandschurica
- Betula nigra
- Betula occidentalis
- Betula papyrifera
- Betula pendula
- Betula platyphylla
- Betula populifolia
- Betula pubescens
- Betula raddeana
- Betula szechuanica
- Betula utilis
- Betula verrucosa
Vernacular names
Associations
Descriptions
Betula L.
Trees or shrubs. Buds sessile, with several imbricate scales. Lvs toothed, few- to many-veined. ♂ catkins formed in autumn, opening in spring often before the lvs; fls with a bract and 2 bracteoles; fls 3 in the axil of each bract; perianth minute, 4-lobed; stamens 2, divided below the anthers. ♀ catkins shorter; fls in groups of 3 each with a bract and 2 bracteoles. Fruiting catkins cylindric to oblong or narrow-ovoid; scales 3-lobed, ± membranous, falling at fr. maturity. Fr. small; wing broad or narrow.
Taxonomic concepts
Collections
Metadata
a5c62891-8ce1-4e86-be31-0388fe29805c
scientific name
Names_Plants
1 January 2000
15 August 2008