Introduction of Epilobium Herb in Epilobium sect:(26).Epilobium pengii C.J.Chen.
✵The article gives records of the herb (26).Epilobium pengii C.J.Chen., 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:(26).Epilobium pengii C.J.Chen.
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 pengii C.J. Chen is classified in the Epilobium genus, of the Onagraceae family., it is commonly known as Net-seeds willow herb.
Epilobium pengii C.J. Chen is a perennial herb, ascending, sparsely clustered, succulent succulent root suckers emerge from the base of the stem, and scale leaves persist at the base of the stem the following year; stems are 7~25 cm high, 1~2.5 mm thick, unbranched, sparsely branched, the upper part is surrounded by curly hairs, the lower part is nearly glabrous, and the ridges are not obvious.
The leaves are opposite below the inflorescence, the lower part of the stem is denser than the upper part, ovate, sublanceolate in the upper part or elliptic in the lower part, 1.5~2.5 cm long, 0.8~1.2 cm wide, the apex is sharp, or the lower part of the stem is near blunt shape, the base is rounded or cuneate (wedge-shaped), 7~12 irregular shallow teeth on each side of the margin, 3~5 lateral veins on each side, pubescent on veins and margins, rest is glabrous; petiole is 1~2 mm long or subsessile; inflorescences is pendulous, densely pubescent.
Capsular fruit is 4.5~5 cm long, sparsely pubescent; fruit pedicel is 1.5~2 cm long; seeds are narrowly obovate, 1~1.1 mm long, 0.35~0.4 mm in diameter, with a short rostrum (beak) at the top and finely reticulated surface; The tassels are dirty white, 5~7 mm long, nearly persistent; the flowering period is from July to September, and the fruiting period is from September to October.
Ecological environment: Epilobium pengii C.J. Chen grows in wet places beside alpine creeks and springs, in areas with the latitude of 3,100~3,700 meters above sea level, the plant grows in Taiwan Hsinchu, Yilan, Taichung, Nantou (Yushan Hehuan Mountain), Hualien, it is an endemic species of Taiwan.
Article Links.
URL QR code:
References:
1.Introduction of Epilobium Herb in Epilobium sect:(26).Epilobium pengii C.J.Chen.