Abrodictyum obscurum

線片長片蕨

Abrodictyum obscurum (Blume) Ebihara & K.Iwats.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

名彙資訊

學名發表文獻

Ebihara & K.Iwats. 2006. Blumea 51(2): 244.

台灣首次記錄發表文獻

Taiwan Pteridophyte Group. 2019. Taiwania 64(4): 382.

異名與其在台灣首次使用的文獻

Cephalomanes obscurum (Blume) K. Iwats.

Kuo. 1997. Manual of Taiwan Vascular Plants 1: 51. (Manu. Taiwan Vas. Pl.)
Selenodesmium obscurum (Bl.) Copel.

DeVol. 1968. Taiwania 14: 95.
Trichomanes cupressoides Desv.

Nakai. 1926. The Botanical magazine, Tokyo 40: 260. (Bot. Mag. Tokyo)
Trichomanes obscurum Bl.

Kuo. 1985. Taiwania 30: 18.

各語言俗名

中

線片長片蕨、線片長筒蕨

特徵描述

形態特徵

Rhizomes short, stout, erect, bearing many stout roots and a tuft of fronds, the apex covered with dark hairs; sometimes more or less creeping, with stipes very close together.
Stipes stiff, not winged, hairy when young, 3-20 cm long; rachis very narrowly winged towards the apex only; laminae very variable in size, narrowly ovate to broadly deltoid in outline, commonly 10-25 cm long, deeply tripinnatifid or even more finely dissected; pinnae spreading almost at right angles to rachis or more or less oblique, with a very narrowly winged costa; larger pinnules deeply dissected. the lobes containing a branching vein; texture firm, the cell-walls thickened and pitted. Sori usually on basal acroscopic segments of pinnules; indusia cylindrical, narrowly winged, the apex truncate or slightly 2-lipped, the mouth slightly dilated; receptacles long-extruded, curved.

分布

台灣 : Usually in scattered patches along the shaded forest streams.
世界 : the tropics of the Old World.

引證標本

TAIPEI: Kankou, DeVol 9052; Wulai, Suzuki 19381. ILAN: Bonbon, Kao 5963. NANTOU: Meiyuan, Sasaki 52; Lienhuachih, Chen 1314. PINGTUNG: Hengchun, Hsu & Kuoh 1314; Nanjenshan, Shieh & Tsai 718*. TAITUNG: Taitungshan, Yamamoto 83; Is. Lanyu, Huang & Kao 7529. HUALIEN: Chingshuishan, Nakamura 3572.