Pycnanthemum pycnanthemoides (Leavenworth) Fernald var. pycnanthemoides . Phenology: Jul-Aug. Habitat: Forests and woodland borders. Distribution: VA and IL south to w. SC and n. GA
Origin/Endemic status: Native
Taxonomy Comments: A tetraploid species (n = 36).
Synonymy ⓘ: = F, K4; < Koellia pycnanthemoides (Leavenw.) Kuntze — S; < Pycnanthemum incanum (L.) Michx. — RAB; < Pycnanthemum pycnanthemoides (Leavenw.) Fernald — C, Fl6, Il, Tn, Va, Chambers & Hamer (1992); < Pycnanthemum pycnanthemoides (Leavenw.) Fernald var. pycnanthemoides — G, (also see P. loomisii); > Pycnanthemum tullia Benth. — Grant & Epling (1943); Tullia pycnanthemoides Leavenw. Basionym: Tullia pycnanthemoides Leavenw. 1830
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Heliophily ⓘ: 7
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Horticultural Information
Intro: Erect, rhizomatous perennial of dry upland forests and rocky woodlands, forest borders and clearings, shale barrens.
Stems: Stems 4-angled, loosely branched above, covered in dense, curly hairs.
Leaves: Leaves opposite, petiolate, elliptic to narrowly oval, toothed, uppermost leaves whitish with dense, close-pressed hairs on upper surface; with a pungent minty scent when crushed.
Inforescence:
Flowers: Flowers densely packed, along with tiny hairy bracts, in domed terminal and upper axillary clusters that sit on white-furry leaflike bracts; white to pale lavender, less than 1/4 in. long, tubular with 5 lobes, the 3 lower ones spotted with purple; the tubular calyx has 5 narrowly triangular lobes
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Height: 3-6 ft.
plant sale text:
bloom table text:
description: Erect, rhizomatous perennial of dry upland forests and rocky woodlands, forest borders and clearings, shale barrens.
stems: Stems 4-angled, loosely branched above, covered in dense, curly hairs.
leaves: Leaves opposite, petiolate, elliptic to narrowly oval, toothed, uppermost leaves whitish with dense, close-pressed hairs on upper surface; with a pungent minty scent when crushed.
inflorescence:
flowers: Flowers densely packed, along with tiny hairy bracts, in domed terminal and upper axillary clusters that sit on white-furry leaflike bracts; white to pale lavender, less than 1/4 in. long, tubular with 5 lobes, the 3 lower ones spotted with purple; the tubular calyx has 5 narrowly triangular lobes
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