Equisetum telmateia subsp. braunii Ehrh. (Milde) Hauke
giant horsetail
Equisetaceae (Horsetail family)
Introduction to Vascular Plants
giant horsetail
Equisetaceae (Horsetail family)
Introduction to Vascular Plants
Photograph
Map
Distribution of Equisetum telmateia subsp. braunii
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Species Information
General:
Perennial from a felty-hairy, blackish, tuber-bearing rhizome.
Stems:
Sterile stems 15-150 cm tall, 5-20 mm thick, their central cavity more than 2/3 the stem diameter, regularly and abundantly branched, the sheaths with 15-30 teeth, the teeth with dark tips; branches in regular whorls; fertile stems appearing in spring before sterile stems, 10-40 cm tall, pale brown, unbranched, dying when the spores are shed, the sheaths 4-8, pale brown with 20-40 darker teeth.
Cones:
4-8 cm long, hollow, rounded at the tip.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Habitat and Range
Moist to wet alluvial forests, loamy banks, cliffs, seepage areas, gullies, swamps, and roadsides, in the lowland and montane zones; frequent in coastal BC, rare east of the Coast-Cascade Mountains; S to CA.Status Information
Synonyms
Synonyms and Alternate Names:
Equisetum telmateia var. braunii (Milde) Milde