Introduction of Epilobium Herb in Epilobium sect:(22).Epilobium royleanum Hausskn.

Popular Herbs. ✵The article gives records of the herb (22).Epilobium royleanum Hausskn., its English name, Latin name, common names, property and flavor, its botanical source plant species, with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species.

Epilobium sect:(22).Epilobium royleanum Hausskn.

 flowering plant of Epilobium spp with many pink flowers grow in wild field Introduction: Epilobium sect is a section in the Epilobium genus of the Onagraceae family (evening primrose family), perennial herbs, upright, ascending, or prostrate. Stems are cylindrical or quadrangular. Leaves are opposite (occasionally whorled) at least below inflorescence and alternate sparsely spirally (E. sinense H. Lev.). Flowers are actinomorphic, parallel to the stem axis when blooming; flower tube exists; petal apex is concave to deeply 2-lobed; stamens vary in length in 2 whorls, pollen grains are yellow, pollinated by quadruple pollen; style is always upright; stigma is usually entire, clavate to capitate, as long as or higher than stamens, sometimes 4-lobed and higher than stamens.

 There are about 150 species of plants in the Epilobium sect., these species are widely distributed in temperate regions of the world; there are 33 species in China, which are widely distributed throughout the country. The species introduced are:(1).Epilobium hirsutum L.,(2).Epilobium parviflorum Schreber.,(3).Epilobium wallichianum Hausskn.,(4).Epilobium kermodei Raven.,(5).Epilobium palustre L.,(6).Epilobium minutiflorum Hausskn.,(7).Epilobium anagallidifolium Lam.,(8).Epilobium roseum Schreb.,(8.1).Epilobium roseum Schreber subsp. subsessile (Boissier) Raven,(9).Epilobium tianschanicum Pavlov,(10).Epilobium amurense Hausskn.,(11).Epilobium amurense subsp. cephalostigma (Hausskn.) C.J.Chen.,(12).Epilobium tibetanum Hausskn.,(13).Epilobium platystigmatosum C.B.Rob.,(14).Epilobium sinense Lévl.,(15).Epilobium cylindricum D.Don.,(16).Epilobium brevifolium D.Don,(17).Epilobium pannosum Hausskn.,(18).Epilobium williamsii Raven.,(19).Epilobium sikkimense Hausskn.,(20).Epilobium gouldii Raven.,(21).Epilobium hohuanense S.S.Ying,(22).Epilobium royleanum Hausskn.,(23).Epilobium pyrricholophum Franch.et Savat.,(24).Epilobium nankotaizanense Yamamoto.,(25).Epilobium taiwanianum C.J.Chen.,(26).Epilobium pengii C.J. Chen.,(27).Epilobium clarkeanum Hausskn.,(28).Epilobium blinii Lévl.,(29).Epilobium fangii.,(30).Epilobium fastigiatoramosum Nakai.,(31).Epilobium subcoriaceum Hausskn.,(32).Epilobium kingdonii Raven.,(33).Epilobium ciliatum Raf..

(22).Epilobium royleanum Hausskn.


 plants of Epilobium royleanum Hausskn,flowering plants of short-stalk willow herb grow in mountain Botanical description: Epilobium royleanum Hausskn is classified in the Epilobium genus, of the Onagraceae family., it is also known as short-stalk willow herb. The synonyms are Epilobium lividum, Epilobium himalayense, Epilobium royleanum f. glandulosum, Epilobium royleanum f. glabrum, Epilobium roseum var. indicum, Epilobium roseum var. dalhousieanum.

 Epilobium royleanum Hausskn is a perennial herb, upright or ascending, overwintering succulent root suckers grow from the base of the stem; The stem grows as high as 60 cm, often branched, villous, and the upper part is often mixed with glandular hairs, without ridgeline; Leaves are opposite, the base is slightly stalked, narrowly ovate or lanceolate, sometimes elliptic or oblong-lanceolate, 1.5~7 cm long, the apex is tapered or nearly acuminate, the base is cuneate (wedge-shaped), sparsely orbicular (subrotund), serrulate, with 4~6 pairs of lateral veins, and the veins and edges are villous; Petiole is 2~7 mm long;

 The inflorescence is upright, densely villous, and often mixed with glandular hairs; The capsular fruit is 3.5~7 cm long, with a few glandular hairs; the carpopodium (fruit stalk) is 0.4~1 cm long; seeds are oblong and obovoid, 0.9~1.2 mm long, papillate; with a short rostrum (beak) at the top; the tassel is gray, 5~6 mm long and easy to fall off; Its flowering period is from July to September and fruiting from August to October.

 Ecological environment: The plant Epilobium royleanum Hausskn grows in mountain areas, along river valleys, gullies, roadsides, or wet places on barren slopes, in areas of elevation 1,000~4,300 meters; In China, it grows in the upper reaches of the Yellow River, west north, the upper reaches of the Yangtze River, southwest; The plant also grows in Sikkim in the Himalayas, Nepal, Kashmir, and Afghanistan, etc.
 
 

 
  

 

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References:
  • 1.Introduction of Epilobium Herb in Epilobium sect:(22).Epilobium royleanum Hausskn.

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