Cyrtomium fortunei

Also known as Guanjie, black dog ridge, for the scaly fern family Guanzhong genus perennial herbs. Rhizome erect or oblique, plant height 30 ~ 70 cm, leaf tufted, leathery, odd one pinnately compound leaves, pinnae 10 ~ 20 pairs, broad falcate triangular, the edge of the spiny pointed teeth. Surface dark green, abaxial surface light green, sporocarp group round, densely embedded in the middle of the veinlets. The plant shape is beautiful, the leaf color is rich green, suitable for small and medium-sized pot plant.

1. Species

Guanzhong is distributed in the north and south of China, born in the forest limestone crevices, roadsides or shady wall crevices, cold, drought-resistant. Fifty species of plants in the same genus, the common ones are: ① sickle-feathered Guanzhong (C.balansae), rhizome erect, leaves clustered, a pinnately compound leaves, the middle of the pinnae below sickle-shaped lanceolate, 4.5-6 cm long, 1.5 cm wide, distributed south of the Yangtze River; ② sharp-feathered Guanzhong (C.hookerianum), taller, pinnately lanceolate, distributed in the southwestern region; ③ big-feathered Guanzhong (C.macrophyllum), rhizomes oblique, leaves clustered, plant height 35-40 cm, singular one pinnate compound leaves, pinnae large, distributed in Yunnan and Guizhou and the middle and upper reaches of the Yangtze River. In addition, there are tooth-covered slammer, spiny tooth slammer, whole slammer and lanceolate slammer.

2. Propagation

Spore propagation will be peat and vegetative sand 2:1 mixture, through a fine sieve, into a shallow pot, compacted, with boiling water, cooled evenly spread the spores, covered with glass, to maintain humidity, 40 ~ 50 days to grow gametophytes, 18 months into seedlings. Divided propagation is in the old plant cut off a section of the rhizome with 3 to 4 leaves, shallow planting pots, quickly grow new roots, newly divided plants or rhizomes for the first 2 to 3 weeks with film cover, keep the potting soil slightly wet can be.

3. Cultivation points

Prefer cool, moist environment, fertility temperature of 10 ~ 18, with a certain degree of drought, cold tolerance, like bright scattered light, strong shade tolerance. Suitable for growing in humus-rich well-drained sandy loam. Growing season every half a month to apply dilute liquid fertilizer, keep the potting soil moist, such as temperatures above 21 ℃ should be sprayed on the foliage, or will be placed on a saucer of pebbles, winter overwintering temperature should be above 10 ℃, this time should reduce watering. Put in diffuse light is preferred.