Contains 13 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 beadlei | Beadle's Mountain-mint | |||
| Pycnanthemum clinopodioides | Basil Mountainmint | |||
| Pycnanthemum flexuosum | Savanna Mountain-mint | |||
| Pycnanthemum incanum var. puberulum | ||||
| Pycnanthemum loomisii | Loomis's Mountain-mint | |||
| Pycnanthemum montanum | Appalachian Mountain-mint | |||
| Pycnanthemum nudum | Smooth Mountain-mint | |||
| Pycnanthemum pycnanthemoides var. pycnanthemoides | ||||
| Pycnanthemum pycnanthemoides var. viridifolium | ||||
| Pycnanthemum setosum | Awned Mountainmint | |||
| Pycnanthemum tenuifolium | Slender Mountain-mint | |||
| Pycnanthemum torreyi | Torrey's Mountain-mint | |||
| Pycnanthemum verticillatum | Whorled Mountainmint |
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 |
|---|---|---|---|
| No synonyms found. | |||