Contains 9 accepted taxa overall.
Characteristics
Classification
Citation
ACER Linnaeus, Sp. Pl. 1054. 1753.
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TYPE: Acer pseudoplatanus Linnaeus Lectotypified by Britton, N. Amer. Trees 638. 1908.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Acer floridanum | Southern Sugar Maple, Florida Maple | |||
| Acer leucoderme | Chalk Maple | |||
| Acer negundo var. negundo | Eastern Box Elder, Ash-leaved Maple | |||
| Acer pensylvanicum | Striped Maple | |||
| Acer rubrum var. rubrum | Eastern Red Maple | |||
| Acer rubrum var. trilobum | Carolina Red Maple | |||
| Acer saccharinum | Silver Maple, Soft Maple | |||
| Acer saccharum var. saccharum | Sugar Maple, Hard Maple, Sugar Tree | |||
| Acer spicatum | Mountain Maple |
Identification Key
1. Young twigs green to purplish, often glaucous; bud scales white tomentose to villous, especially near the apex; leaves pinnately compound, with 3-7(-9)
1. Young twigs mostly red, brown, to gray, sometimes green at first; bud scales pubescent, strigose, or glabrous and ciliate along the margin; leaves simple
2
2. Buds and the bud scales acute at the tip; leaf blade margin mostly with few rounded or blunt lobes, otherwise subentire; flowers in terminal clusters, appearing with the leaves
3
2. Buds and the bud scales rounded at the tip; leaf blade margin mostly regularly dentate, serrate, to doubly serrate; flowers in axillary clusters, appearing before the leaves
4
3. Leaf blade with the lower surface glaucous, the lobes usually widest near the middle and slightly narrowed at the base
3. Leaf blade with the lower surface green, the lobes usually widest and slightly flared at the base
4. Leaf blade sinus mostly half or less the length from the midvein to the lobe tip; petals present (similar to the sepals)
4. Leaf blade sinus more than half the length from the midvein to the lobe tip; petals absent
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||