Contains 3 accepted taxa overall.
Characteristics
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 | 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