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Flexuose climbing fern (Lygodium flexuosum)

Dlium Flexuose climbing fern (Lygodium flexuosum)

Flexuose climbing fern (Lygodium flexuosum) is a species of plant in the Lygodiaceae, a vine-like fern that produces stems that grow vines and climb the surrounding vegetation, growing in forests, agricultural land and abandoned lands.

L. flexuosum has a cylindrical stem, slender and strong like a rope, green and grows elongated to climb the surrounding vegetation. The leaves have short stalks and rachises, elongated and green.





Leaves have small segments on each side at the base. a bone in the center with several sideways veins. The sporangia are packed lined up along the edge, in the form of cylindrical and elongated folds. The sterile leaves have spear-shaped internodes.

Plants reproduce by means of spores and propagate asexually through underground rhizomes. It grows in humid and swampy habitats, especially in disturbed areas, agricultural land and abandoned lands.

TAXON

Kingdom: Plantae
Phylum: Tracheophyta
Class: Polypodiopsida
Subclass: Polypodiidae
Order: Schizaeales
Family: Lygodiaceae
Genus: Lygodium Sw. in J. Bot. (Schrader) 1800(2): 7, 106 (1801)
Species: Lygodium flexuosum (L.) Sw. in J. Bot. (Schrader) 1800(2): 106 (1801)

HOMOTYPIC SYNONYMS

Ophioglossum flexuosum L. in Sp. Pl.: 1063 (1753)
Hydroglossum flexuosum (L.) Willd. in Abh. Kurfürstl.-Mainz. Akad. Nützl. Wiss. Erfurt 2(5): 23 (1802)
Ramondia flexuosa (L.) Mirb. in Bull. Sci. Soc. Philom. Paris 2: 179 (1801)

HETEROTYPIC SYNONYMS

Ophioglossum scandens L. (1753)
Hydroglossum elegans Steud. in Nomencl. Bot. 2: 205 (1824)
Hydroglossum microstachyum Steud. (1824)
Hydroglossum pinnatifidum Willd. (1802)
Hydroglossum scandens (L.) Willd. (1802)
Hydroglossum semipinnatum Poir. in Encycl., Suppl. 3: 78 (1813)
Lygodium elegans Desv. in Ges. Naturf. Freunde Berlin Mag. Neuesten Entdeck. Gesammten Naturk. 5: 308 (1811)
Lygodium maculatum Bory in C.P.Bélanger, Voy. Indes Or., Bot. 2(1): 15 (1833)
Lygodium meyenianum C.Presl in Suppl. Tent. Pterid.: 106 (1845)
Lygodium pilosum Desv. in Mém. Soc. Linn. Paris 6: 205 (1827)
Lygodium pinnatifidum Sw. in J. Bot. (Schrader) 1801(2): 303 (1803)
Lygodium polymorphum (Cav.) Kunth in F.W.H.von Humboldt, A.J.A.Bonpland & C.S.Kunth, Nov. Gen. Sp. 1: 31 (1816)
Lygodium pubescens Wall. in Numer. List: n.° 2200 (1830)
Lygodium rottlerianum C.Presl (1845)
Lygodium scandens (L.) Sw. in J. Bot. (Schrader) 1800(2): 106 (1801)
Lygodium semibipinnatum R.Br. in Prodr. Fl. Nov. Holland.: 162 (1810)
Lygodium serrulatum Blume in Enum. Pl. Javae 2: 254 (1828)
Lygodium tenue C.Presl (1845)
Odontopteris scandens (L.) Bernh. in J. Bot. (Schrader) 1800(2): 127 (1801)
Ramondia scandens (L.) Mirb. (1801)
Ugena polymorpha Cav. in Icon. 6: 75 (1801)

PUBLICATIONS

Fraser-Jenkins, C.R. & al. (2017). An Annotated Checklist of Indian Pteridophytes 1: 1-562. Dehra Dun : BSMPS.

Fraser-Jenkins, C.R. & al. (2018). An Annotated Checklist of Indian Pteridophytes 2: 1-573. Dehra Dun : BSMPS.

Loc, P.K. & al. (2019). A checklist of pteridophytes collected on Cham Chu mountains and adjacent sites. Journal of Biology. Hanoi, Vietnam 41: 75-89.

Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.

Roskov Y. & al. (eds.) (2018). World Ferns: Checklist of Ferns and Lycophytes of the World. Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Singh, S.K. & al. (2023). Pteridophytes of Meghalaya. A pictorial guide: 1-246. Bishen Singh Mahendra Pal Singh.

VERNACULAR NAME

Chinese (simplified): 曲轴海金沙
Chinese (traditional): 曲軸海金沙
English: Flexuose Climbing Fern
France: Fougère grimpante flexible
German: Flexuose Kletterfarn
Hebrew: שרך מטפס פלקסווזי
Hong Kong: 曲軸海金沙
Indonesian: Pakis Rambat, Paku hata, Paku kawat, Paku tali, Paku kembang
Japanese: シマカニクサ
Korean: 플렉수스 클라이밍 고사리
Macao: 曲軸海金沙
Malaysia: Ribu-ribu gajah, Ribu-ribu besar, Akar sidin, Darai paya, Maidenhair-creeper, Paku ribu-ribu besar, Paku ribu-ribu gajah
Polish: Wężówka pogięta
Portuguese: Samambaia trepadeira flexuosa
Russian: Лигодиум извилистый
Slovak: Popínavec poprehýbaný
Spanish: Helecho trepador flexuoso
Sunda: Hata leutik, Hata beas
Taiwan: 曲軸海金沙
Thai: ลิเภาใหญ่
Vietnamese: Dương xỉ leo linh hoạt

Aryo Bandoro
Dlium TheDlium
YouTube: https://www.youtube.com/@Dlium
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