Equisetum pratense

SPECIES

1. KingdomPlantae
2. PhylumTracheophyta
3. ClassPolypodiopsida
4. OrderEquisetales
5. FamilyEquisetaceae

Native toAlaska, Alberta, Altay, Amur, Austria, Baltic States, Belarus, British Columbia, Buryatiya, Central European Russia, China North-Central, China South-Central

Aerial stems dimorphic; vegetative stems green, branched, 16--50 cm; hollow center 1/6--1/3 stem diam. Sheaths somewhat elongate, 3--5 × 2--4 mm; teeth 8--18, narrow, 1.5--4 mm, centers dark and margins white. Branches in regular whorls, horizontal to drooping, solid; ridges 3; valleys channeled; 1st internode of each branch equal to or longer than subtending stem sheath; sheath teeth deltate. Fertile stems brown, with stomates, initially unbranched, persisting and becoming branched and green after spore discharge.

via GBIF · Kew POWO

Wikidata facts

Instance of

taxon