Introduction of Epilobium Herb in Epilobium sect:(18).Epilobium williamsii Raven.
✵The article gives records of the herb (18).Epilobium williamsii Raven., 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:(18).Epilobium williamsii Raven.
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.
Botanical description: Epilobium williamsii Raven is classified in the Epilobium genus, of the Onagraceae family., it is also known as the high-mountain willow herb or buried-scales willow herb.
Epilobium williamsii Raven is a perennial dwarf tufted herb, upright or ascending, with elongated succulent root suckers coming out from the base of the stem, and scale leaves remaining at the base of the stem the following year; The stem grows 4~25 cm tall, often branched at the base, the upper part is villous, and the lower part is villous only on the ridge line; Leaves are opposite, densely arranged on stems, longer than internodes, ovate or elliptic-ovate, 0.7~2.2 cm long, apex tapering or nearly acuminate, base is orbicular (subrotund), broadly cuneate (wedge-shaped) or nearly cordate, with dense serrations, 3-5 pairs of lateral veins, and villous veins; Usually subsessile.
The inflorescence is densely covered with curved pilose and glandular-hairy; Flowers are slightly pendulous or upright at the early stage; Pedicel is 3~6 mm long; The throat of the flower tube has a ring of extended hairs; Sepals are lanceolate, oblong, carinate (cariniform), villous and glandular-hairy; Petals are rose-red, obcordate, 5~6.5 mm, apex concave; Ovary is 1~2 cm long, densely covered with glandular-hairy and villous, style is purple, glabrous; Stigma is capitate, surrounded by outer whorl anthers when flowering.
Capsular fruit is 3.5~6 cm long, sparsely villous; the carpopodium (fruit stalk) is 0.4~1 cm long; Seeds are narrowly obovoid, 0.9~1.2 mm long, with tiny papillae and short rostrum (beak) at the top; The tassel is white, 5~6 mm long and easy to fall off; Its flowering period is from July to August and fruiting from August to September.
Ecological environment: Epilobium williamsii Raven grows in wet places such as alpine meadows, valleys, lakes, and gravel fields near glaciers, in areas with a latitude of 3,350~4,900 meters; The plant grows in the east of the Tibetan Plateau, west south area of China, and it also grows in Sikkim, Nepal, and north area of South Asia.
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1.Introduction of Epilobium Herb in Epilobium sect:(18).Epilobium williamsii Raven.
✵The article gives records of the herb (18).Epilobium williamsii Raven., 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.
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.
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