개면마(2)

개면마(2)

https://daehyo49.tistory.com/7815296

개면마(1)

https://daehyo49.tistory.com/7809530

야산고비(1) (야산고비과 속 검색표)

https://daehyo49.tistory.com/7809675

 

 

 

학명: Pentarhizidium orientale (Hook.) Hayata

분류: 야산고비과(Onocleaceae)

학명 풀이:

Pentarhizidium : ?

 

 

사진 : 2023.06.02 파주

 

 

 

 

맨 아래 우퍈은 약간 밑으로 처지는 경향이 있다

 

 

 

 

영양엽 엽신은 위쪽이 급격히 좁아지고 아래쪽은 약간 좁아진다

 

 

 

 

엽맥은 단조맥이다

 

아래 : 2023.08.05 고대산

 

 

 

 

 

아래 : 202310.06 양구 방산 송현

 

 

 

 

 

 

 

 

 

 

 

Pentarhizidium orientale (Hooker) Hayata, Bot. Mag. (Tokyo). 42: 345. 1928.

东方荚果蕨 dong fang jia guo jue

Struthiopteris orientalis Hooker, Sec. Cent. Ferns, t. 4. 1861; Matteuccia japonica (Hayata) C. Christensen; M. orientalis (Hooker) Trevisan; Onoclea orientalis (Hooker) Hooker; Pentarhizidium japonicum Hayata; Pteretis japonica (Hayata) Ching; P. orientalis (Hooker) Ching; Pterinodes orientalis (Hooker) Kuntze.

Rhizome shortly creeping, apex ascending, dark brown, apical part densely covered with brown scales; scales lanceolate, ca. 2 cm, membranous, entire, apex fibriform. Fronds approximate. Stipe of sterile frond brown, 30-70 × 0.3-1 cm, base swollen, triangular, bearing short pneumatophores, densely scaly, upward sparsely scaly; sterile lamina bipinnatifid, ovate-deltoid, narrowed upward, slightly narrowed downward, 40-82 × 18-40 cm, thinly papery, with sparse fibriform scales on rachis and costae; pinnae 15-20 pairs, alternate, oblique, 2.5-3 cm apart, basal pinnae as long as above, base slightly narrowed, sessile, apex acuminate; lobes narrowly hemielliptic, oblique, entire or slightly dentate, apex obtuse or acute; veins obvious, pinnate, veinlets simple or occasionally furcate, reaching lamina margin. Stipe of fertile frond 20-45 cm; fertile lamina as long as or shorter than sterile lamina, pinnate, elliptic, 12-40 × 5-10 cm; pinnae oblique, close, dark purple, linear, ca. 10 × 0.5 cm, hardened. Sori fused into linear coenosori when mature; indusium membranous, fixed at posterior end, free distally. 2n = 80, 82.

Streams in dense forests, slopes at forest margins, semi-shaded places in forests; 1000-2700 m. Anhui, Chongqing, Gansu, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangxi, Shanxi, Sichuan, Taiwan, Xizang, Zhejiang [India, Japan, Korea, Russia].

Matteuccia orientalis f. monstra Ching & K. H. Shing (J. Arnold Arbor. 64(1): 25. 1983) was described from Hubei.

 

 

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