Contains 7 accepted taxa overall.
Characteristics
Classification
Citation
PYCNANTHEMUM Michaux, Fl. Bor.-Amer. 2: 7, t. 33, 34. 1803, nom. cons. vs. Furera Adanson 1763.
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TYPE: Pycnanthemum incanum (Linnaeus) Michaux, typ. cons. (Clinopodium incanum Linnaeus)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Pycnanthemum albescens | WHITELEAF MOUNTAINMINT | Native FAC (NWPL) | ||
| Pycnanthemum flexuosum | APPALACHIAN MOUNTAINMINT | Native FACW (NWPL) | ||
| Pycnanthemum floridanum | FLORIDA MOUNTAINMINT | Native Threatened-State FAC (NWPL) | ||
| Pycnanthemum nudum | COASTALPLAIN MOUNTAINMINT | Native FACW (NWPL) FACW (DEP) | ||
| Pycnanthemum pycnanthemoides | SOUTHERN MOUNTAINMINT | Native | ||
| Pycnanthemum setosum | AWNED MOUNTAINMINT | Native FACU (NWPL) | ||
| Pycnanthemum tenuifolium | NARROWLEAF MOUNTAINMINT | Native FACW (NWPL) |
Identification Key
1. Leaves linear, 1-3 mm wide
1. Leaves ovate, elliptic, to oblong, 5-45 mm wide
2
2. Leaves ascending to erect, the largest leaves 1-2.5 cm long
2. Leaves generally spreading, sometimes ascending, the largest leaves (2.5)3-10 cm long
3
3. Bracts and calyx tips aristate or long-attenuate
4
3. Bracts and calyx tips acute to acuminate
5
4. Leaves 3-15 mm wide; calyx lobes 2.3-3.5 mm long
4. Leaves 13-25 mm wide; calyx lobes 1.5-2.3 mm long
5. Bracts and calyx lobe tips with 1-few spreading, jointed hairs >1 mm long; calyx lower lip with the teeth usually >1/3 of the total calyx length
5. Bracts and calyx lobe tips lacking jointed hairs >1 mm long; calyx lower lip with the teeth <1/3 of the total calyx length
6
6. Leaf lower surface densely canescent; flower clusters pedunculate; calyx teeth usually cupped
6. Leaf lower surface canescent on distal leaves, the proximal leaves glabrate
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Brachystemum | Brachystemum Michaux, Fl. Bor.-Amer. 2: 5, t. 31, 32. 1803. | TYPE: Brachystemum muticum Michaux Lectotypified by E. Grant & Epling, Univ. Calif. Publ. Bot. 20: 202. 1943. | |
| Furera | Furera Adanson, Fam. Pl. 2: 193, 560. 1763, nom. rej. vs. Pycnanthemum Michaux 1803. | TYPE: Satureja virginiana Linnaeus | |
| Koellia | Loellia Moench, Methodus 407. 1794. | TYPE: Koellia capitata Moench, nom. illegit. (Satureja virginiana Linnaeus) = Furera Adanson 1763, nom. rej. | |
| Tullia | Tullia Leavenworth, Amer. J. Sci. Arts 20: 343. 1831. | TYPE: Tullia pycnanthemoides Leavenworth |