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Fan maidenhair fern (Adiantum tenerum)

Dlium Fan maidenhair fern (Adiantum tenerum)

Fan maidenhair fern (Adiantum tenerum) is a plant species in the Pteridaceae, leaves are green, pinnate, fan-shaped, glabrous, curved or upright, grows mainly in the lowlands and is able to adapt well to clay, limestone, moist and shaded soil.

A. tenerum is an annual herb, spreading rhizomes, branched and alternate herbs, growing curved or hanging on the sidelines of vertical or sloping cliffs and on horizontal ground surfaces.





The stem is the bone of the leaf, sturdy, smooth and black. The stem branches in an alternating manner, tending to zigzag on each branch and ending in a single leaf at the tip.

Leaves at the end of the stem. The strands are fan-shaped, up to 2 cm wide, have a smooth surface, serrated edges and are green or bright green in color. Spores on the edge on the underside of the leaf.

Fan maidenhair fern is naturally found growing on cliffs along river banks, ponds, walls and piles of rocks as long as there is moist humus and is protected from sunlight.

TAXON

Kingdom: Plantae
Phylum: Tracheophyta
Class: Polypodiopsida
Subclass: Polypodiidae
Order: Polypodiales
Suborder: Pteridineae
Family: Pteridaceae
Subfamily: Vittarioideae
Genus: Adiantum L. in Sp. Pl.: 1094 (1753)
Complex: Tenerum clade
Species: Adiantum tenerum Sw. in Prodr. Veg. Ind. Occid.: 135 (1788)

HETEROTYPIC SYNONYMS

Adiantum assimile Link in Hort. Berol. 2: 17 (1833)
Adiantum extensum Fée in Mém. Foug., 5. Gen. Filic.: 114 (1852)
Adiantum farleyense T.Moore in J. Roy. Hort. Soc. 1: 82 (1866)
Adiantum fergusonii T.Moore in Gard. Chron., n.s., 22: 360 (1884)
Adiantum ghiesbreghtii Backh. ex R.Hogg & T.Moore in Florist & Pomol. 1863: 164 (1863)
Adiantum glaucophyllum Hook. in Icon. Pl. 10: t. 961 (1854)
Adiantum littorale Jenman in Bull. Misc. Inform. Roy Bot. Gard. Trinidad 21(App.): 96 (1899)
Adiantum multiforme A.Br. in Mexic. Pl. 1: 128 (1872)
Adiantum tenerum var. farleyense (T.Moore) André in Ill. Hort. 19: 64 (1872)
Adiantum tenerum var. littorale (Jenman) Domin in Věstn. Ceské Společn. Nauk, Tř. Mat.-Přír. 1929(2): 141 (1929)
Adiantum tenerum var. majus T.Moore in Index Fil.: 39 (1857)
Adiantum tenerum var. minus Kunze in Linnaea 9: 83 (1834)
Adiantum tenerum var. obtusissimum Christ in Bull. Herb. Boissier, sér. 2, 7: 266 (1907)
Adiantum tenerum var. rotundatum T.Moore in Index Fil.: 39 (1857)
Adiantum trapeziforme var. trapezoides (Fée) Baker in C.F.P.von Martius & auct. suc. (eds.), Fl. Bras. 1(2): 369 (1870)
Adiantum trapezoides Fée (1852)

PUBLICATIONS

Chen, C.-W. & al. (2022). An annotated checklist of lycophytes and ferns of the Solomon islands. The Fern Gazette 21: 292-419.

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

Herrera, K., Lorence, D.H., Flynn, T. & Balick, M.J. (2010). Checklist of the Vascular plants of Pohnpei, Federated States of Micronesia with local names and uses. Allertonia 10: 1-204.

Kuo, L.Y. & al. (2019). Updating Taiwanese pteridophyte checklist: a new phylogenetic classification. Taiwania 64: 367-395.

Paris, B.S., Kiew, R., Chung, R.C.K. & Cheah, Y.H. (eds.) (2020). Flora of Peninsular Malaysia. Series I: Ferns and Lycophytes, Volume 3. Malayan Forest Records 48: 1-307.

Plunkett, G.M., Ranker, T.A., Sam, C. & Balick, M.J. (2022). Towards a checklist of the vascular flora of Vanuatu. Candollea 77: 105-118.

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.

VERNACULAR NAME

Chinese (Simplified): 脆铁线蕨
Chinese (Traditional): 脆鐵線蕨
Danish: Sølvvenushår
English: Fan Maidenhair Fern, Brittle maidenhair fern
Indonesian: Suplir rumpun, Suplir
Java: Suplir
Lithuanian: Švelnusis adiantas
Polish: Adiantum delikatne
Russian: Адиантум нежный
Slovak: Adiant nežný
Spanish: Culantrillo de agua, Culantrillo de pozo, Helecho culantrillo
Taiwan: 脆鐵線蕨
Thai: เฟิร์นก้านดำใบแปะก๊วย

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