Common name: Russian Comfrey
Scientific name: Symphytum x uplandicum
Genus: Symphytum 聚合草屬
Family: Boraginaceae 紫草科, borage or forget-me-not family
Remarks*:
Origin: A cultivated hybrid (alien x alien). The hybrid parents are Symphytum officinale 聚合草、康復草、康復力, common comfrey and Symphytum asperum 糙葉聚合草, rough comfrey. This hybrid is known from the Caucasus. It was introduced in 1790s from the palace gardens of St Petersburg as an ornamental, then promoted as a forage plant in the mid-19th century. It was first recorded in the wild in 1861.
Date: 8th June
283 A tall, erect, branched perennial, can reach up to 140 cm.
266
269 The lowest leaves.
270 Lower stem leaves shortly decurrent.
271 Another lower stem leaves, shortly decurrent, wings not extending more than halfway to leaf below.
274 Upper stem leaf showing the junction between the petiole and the stem.
275 Upper stem leaves sessile and shortly decurrent.
276 Upper stem leaves sessile, shortly decurrent or clasping stem.
278 Upper stem leaves sessile, shortly decurrent or clasping stem.
281 Underside of the leaf.
282 Upper stem leaves sessile, shortly decurrent or clasping stem.
277 The inflorescence. Calyx divided more than or equal to 2/3 way to base. Corolla pinkish blue, purplish or violet.
Calyx-hairs a mixture of broad-based bristles and finer and smaller hairs and all intermediates.
273
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