Equisetum sylvaticum 林木賊、林問荊

Common name: Wood Horsetail
Scientific name: Equisetum sylvaticum 林木賊、林問荊
Genus: Equisetum 木賊屬
Family: Equisetaceae 木賊科, horsetail family
Origin: native

Date: 14th July

[015] Deciduous erect perennial, can grow to 80 cm, often forming large stands.

[016] Found in stream banks.

[014]

[046] Shoot apices are drawn to a point. (vs shoot usually appear blunt-tipped in shade horsetail, Equisetum pratense 草間荊、馬鬍鬚)

[050] Branches dropping.

[054]

[031_1] Branches at the top of the stem.

[029_1] Branches at the top of the stem.

[055] Primary branches secondarily branched.

[030] Branches at lower stem.

[029_2] Main stem near the top of the plant showing the primary branches.

[031_2] Main stem near the top of the plant showing the primary branches.

[030_1] Main stem a bit below, showing the primary branches at the stem sheath. Secondarily branches can also be seen here.

[027_1] Branch teeth.

[055_2] Primary branches secondarily branched.

[058]

[026] Branches at the stem sheath.

[034] Bottom view of the branches at the stem sheath.

[021_2] Stem slightly rough, with 10-18 ridges.

[058_1] Stem sheath teeth joined along their margins into 3-6 lobes.
(Stem sheath are loose and their teeth are fused to give the apperance of just four scales.)

[055_1] Branch teeth on side branches.

[021_1] Stem sheath of older stem.

[026_1] Branches arising at stem sheath of older stem.

[034_1] Bottom view of the branches at stem sheath.