Contains 3 accepted taxa overall.
Characteristics
Although Agrilus planipennis (emerald ash borer) has not yet infested Florida, it has decimated ash populations in the eastern USA (USDA 2017).
Classification
Citation
FRAXINUS Linnaeus, Sp. Pl. 1057. 1753.
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TYPE: Fraxinus axcelsior Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 724. 1913.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Fraxinus americana | WHITE ASH | Native FACU (NWPL) | ||
| Fraxinus caroliniana | CAROLINA ASH; WATER ASH; POP ASH | Native OBL (NWPL) D (WAP) OBL (DEP) | ||
| Fraxinus pennsylvanica | GREEN ASH; PUMPKIN ASH | Native FACW (NWPL) OBL (DEP) |
[Family identification key]
1. Large tree, to 30 m; leaf-scars deeply concave along upper edge; leaflets whitish beneath (the surface with small islets of minute white papillae, visible at 25X); samaras with wing decurrent only on distal 1/3 of fruit-body, the wings to 3-7(-10) mm wide with 3-5 veins on each side of the wing, the fruit-body plump and sub-terete, distinctly thicker the surrounding wing; of well-drained mesic hammocks
1. Shrub to large tree, to 30 m; leaf-scars slightly convex to concave along upper edge; leaflets pale to medium green beneath (without minute papillae); samaras with wing decurrent to middle or below of fruit-body, the wings to 8-22 mm wide with 5-19 veins on each side of the wing, the fruit-body relatively flattened, not appreciably thicker than surrounding wing; mesic-hydric to hydric hammocks and swamps
2
2. Shrub to tree, to 20 m, single to multi-trunked; leaflets usually 5 (occasionally 3 or 7), 1.8-4 cm broad, thin textured, glabrous beneath, variable in shape: broadly ovate, obtuse, serrate, to narrowly ovate, acute, entire; petiolules <1 cm long; samaras 7-20 mm wide, broadly elliptic to narrowly oblanceolate or spatulate, the fruit-body lateral edges indistinct
2. Large tree, to 30 m, generally with a single trunk; leaflets usually 7 (occasionally 5), of uniform shape, broadly lanceolate, firm textured, acute to acuminate, entire; petiolules 0.5-2 cm long; samaras 4-12 mm wide, rhombic to narrowly spatulate or linear, the fruit-body visibly distinct, slightly thicker than surrounding wing