Angiosperms (Flowering Plants) • Earth.com

Coastal hog fennel

(Peucedanum japonicum)

galery
en

Description

Peucedanum japonicum, also known as coastal hog fennel, is a species of Peucedanum, a genus rich in medicinal species belonging to the parsley family, Apiaceae. Peucedanum japonicum was described by Thunberg in 1784. Peucedanum japonicum has a stout umbellifer of 30–100 cm and is essentially glabrous. The stem is frequently flexuous. The leaf blade is broadly ovate-triangular. It size is 35 x 25 cm. It is thinly coriaceous, bearing 1-2 ternate(s). leaflets are ovate-orbicular, 3-parted, 7–9 cm broad and glaucous. Its central segments are obovate-cuneate, its lateral segments are oblique-ovate. Umbels are 4–10 cm across; bracts are either 2-3 or absent, ovate-lanceolate, 5-10 x circa 2mm, pubescent. It sports 15-30 rays of 1–5 cm, unequal and puberulous. It has 8-10 bracteoles, linear-lanceolate, equalling or longer than flowers. It hascirca 20-flowered umbellules. It has calyx teeth are obsolete. Petals are purple or white abaxially hispidulous. Its styles are short. The fruit is oblong-ovate or ellipsoid, to 6 x 4mm. It is hirsute, especially on dorsal ribs; its lateral ribs have very thick wings.Its vittae are small, with 3-5 in each furrow, 6-10 on commissure. They flower in June to July and fruit from August to September. The plant inhabits coastal areas and seashores below 100 meters, typically in soil found to be slightly acidic to mildly alkaline. P. japonicum can be found in the Chinese provinces of Fujian, Hong Kong, Jiangsu, Shandong, Taiwan and Zhejiang in addition to Japan, Korea and the Philippines.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum:
Class: Magnoliopsida
Order:Apiales
Family:Apiaceae
Genus:Peucedanum
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