Fan fern round fern
Scientific name: Nephrolepisauriculata
Alias: round fern
Families and genera: Polypodiaceae, fan fern
Plant category: medium terrestrial fern
Morphological features:
Plant height 60cm. Rhizome thick and transverse, densely scaly, dark brown. Leaves distal, subpapery, below sparsely brown scales. Petiole length 30~45cm. Leaf blade 25-30cm long, fan-shaped. Leaf veins reticulate, meshes dense and with embedded branched veinlets. The sporangia are born in the lower part of the lobes, orbicular or oblong, close to the main vein.
Distribution of origin:
Produced in Sichuan, Yunnan and Guizhou. Mostly born in dense forests at an altitude of 1500m.
Growth habits:
Like the overcast and wet environment, avoid direct sunlight. Adapt to general or cold climate, have a certain ability to withstand cold and drought. Cultivated soil is suitable for all loam rich in humus.
Methods of reproduction:
To reproduce with rhizomes or spores. The sporangium of Dryopteris Dryopteris has vertical zoning and highly developed fissure zone, usually with 32 spores, two-sided spores and oval in polar view. Polypodiaceae is the most evolutionary and modern representative group of Pteridopteris.
Cultivation management:
Potted plants should be planted in shallow pots, and garden soil and rotten leaf soil can be mixed at 1:2. Daily watering as long as keep the basin soil moist, summer high temperature and dry, can spray an appropriate amount of water to increase air humidity. Fertilize once every two months. Potted plants should be placed in places where there is plenty of diffuse sunlight. The night temperature of 8~IO ℃ in winter can keep the leaves green and overwintering.
There are about 46 genera and 500 species of Polypodiaceae, most of which are typical tropical and subtropical epiphytes. There are more than 150 species of 22 genera in China. Among them, the typical representative is the genus Polygonum. Fan fern is a rare specialty in China, because its quantity is rarely listed as a national third-class protected plant.
Usage characteristics:
The fan fern has a peculiar leaf shape and is very ornamental. Can be planted in the scenic area of the gully edge of the forest to add wild interest, can also be potted in the living room, study, very interesting.
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