maidenhair fern

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maidenhair fern

, maidenhair
any fern of the cosmopolitan genus Adiantum, esp A. capillis-veneris, having delicate fan-shaped fronds with small pale-green leaflets: family Adiantaceae

Maidenhair Fern


(Adiantum), a genus of ferns of the family Polypodiaceae.

The genus is found almost everywhere, but the greatest number of species, about 200, are found in South America. There are two species in the USSR: A. pedatum in the Far East and A. capillus-veneris in the Caucasus, the Crimea, and Middle Asia. A. capillus-veneris is a tender ornamental with double or triple pinnatifid, delicate leaves on long, dark brown petioles. This species and many others are grown in rooms and greenhouses.

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Number of Vascular plant species occurrences Cystopteris fragilis 23 Cheilanthes persica 19 Asplenium ruta-muraria 16 Ceterach officinarum 13 Adiantum capillus-veneris 9 Cryptogramma stelleri 8 Campanula incanescens 7 Cortusa turkestanica 7 Poa bulbosa 6 Moss species occurrences Tortula muralis 33 Encalypta vulgaris 27 Grimmia pulvinata 15 Hygrohypnum luridum 14 Brachythecium mildeanum 12 Bryum pseudotriquetrum 12 Brachythecium albicans 9 Tortula inermis 9 Amblystegium varium 8 Table 2.
Effects of light, macronutrients, and sucrose on germination and development of the endangered fern Adiantum reniforme var.
ADIANTUM * {ad-ee-AN-tum} Linnaeus 1753 @ Maidenhair Ferns @ [Greek adiantos, unwetted, for the glabrous leaves, which shed raindrops.
The many additional small springs along that escarpment can be recognized by the patches of Adiantum capillus-veneris.
Cell wall polysaccharides from fern leaves: Evidence for a mannan-rich Type III cell wall in Adiantum raddianum.
The dominant role of the epidermis in leaves of Adiantum.
The initiation and early development of fern leaf primordia has been described for several species, including Hymenophyllaceae (Hebant-Mauri, 1973, 1984, 1990; Hagemann, 1988), Dicksonia (Hebant-Mauri, 1975), Ceratopteris (Hebant-Mauri, 1977), Stromatopteris (Hebant-Mauri & Veillon, 1989), Salvinia (Croxdale, 1978, 1979, 1981), Marsileaceae (Schmidt, 1978), Dennstaedtiaceae (Imaichi, 1980, 1982, 1983, 1984), Adiantum (Imaichi, 1988; Gupta & Bhambie, 1992), Botrychium (Imaichi & Nishida, 1986; Imaichi, 1989), Lygodium (Mueller, 1982a), Platycerium (Lee, 1989), and Gleicheniaceae (Hagemann & Schulz, 1978).
The occurrence and morphology of Adiantum x variopinnatum (Pteridaceae).
These plants were initially assumed to belong to the common non-native Adiantum capillus-veneris L.
A high degree of genetic differentiation among populations has been observed in other homosporous ferns, including Adiantum capillus-veneris (Pryor et al.
Adiantum diphyllum (Fee) Maxon, Asplenium truncorum F.
The brown to purple coloration of petioles, a color also frequent in Adiantum, Cheilanthes and Pytirogramma, among others, is attributed to the presence of tannins.