Contains 7 accepted taxa overall.
Characteristics
Classification
Citation
CARYA Nuttall, Gen. N. Amer. Pl. 2: 220. 1818, nom. cons. vs Hicorius Rafinesque 1817.
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TYPE: Carya tomentosa (Poiret) Nuttall 1818, typ. cons. (Juglans tomentosa Poiret 1798)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Carya aquatica | WATER HICKORY | Native OBL (NWPL) OBL (DEP) | ||
| Carya cordiformis | BITTERNUT HICKORY | Native FAC (NWPL) | ||
| Carya floridana | SCRUB HICKORY | Native | ||
| Carya glabra | PIGNUT HICKORY | Native FACU (NWPL) | ||
| Carya illinoinensis | PECAN | Not Native FACU (NWPL) | ||
| Carya pallida | SAND HICKORY | Native | ||
| Carya tomentosa | MOCKERNUT HICKORY | Native |
Identification Key
1. Bud scales valvate; leaflets 5–13(17) (sect. Apocarya)
2
1. Bud scales imbricate; leaflets 3–9; (sect. Carya)
4
2. Lateral buds with paired lateral prophylls; leaflets 5–9(11), the underside with peltate scales, concentrated near margins of base and apex on fall specimens; fruit husks dehiscing to middle or slightly below; nuts rugulose
2. Lateral buds with saclike prophyll; leaflets (5)9–13(17), the underside with peltate scales mainly lost by fall or at least not concentrated near margins of base and apex; fruit husks dehiscing to base; nuts smooth or verrucose
3
3. Bark exfoliating in long strips or platelike scales; lateral petiolules 0–2 mm; leaflets (5)9–11(13), margins serrate to entire, the midrib villous near base above; nuts compressed, angled, verrucose; seeds bitter
3. Bark ridged or with appressed scales or exfoliating with small platelike scales; lateral petiolules 0–7 mm; leaflets (7)9–13(17), margins serrate, the midrib mostly glabrous above, rarely hirsute near base; nuts not compressed, not angled, smooth; seeds sweet
4. Leaflets (5)7–9(11), the underside hirsute, with abundant unicellular, fasciculate, and multiradiate hairs; husks 4–13 mm thick; nuts strongly angled toward the apex
4. Leaflets 3–7(9), the underside glabrous except near midrib, occasionally hirsute with unicellular and fasciculate hairs; husks 2–5 mm thick; nuts not strongly angled toward the apex
5
5. Leaflets (5–)7(9), the underside glabrate, with a dense covering of small 4-lobed, irregular, and round peltate scales in spring and the midrib hirsute near the base
5. Leaflets 3–7(9), the underside with hairs in the vein axils, with a sparse to dense covering of small irregular and round peltate scales in spring, 4-lobed scales uncommon, and the midrib glabrate
6
6. Young tissues densely golden to rusty brown lepidote
6. Young tissues sparsely tan, reddish, to dark brown lepidote
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Hicorius | Hicorius Rafinesque, Fl. Ludov. 109. 1817, nom. rej. vs. Carya Nuttall 1818. | TYPE: Non designatus. |