Molecular Biology and Genetics
Statistics of barcoding coverage
Specimens with Sequences:6
Specimens with Barcodes:5
Species With Barcodes:3
Aglaonema is a genus of flowering plants in the arum family, Araceae. They are native to tropical and subtropical regions of Asia and New Guinea. They are known commonly as Chinese evergreens.
These are evergreen perennial herbs with stems growing erect or decumbent and creeping. Stems that grow along the ground may root at the nodes. There is generally a crown of wide leaf blades which in wild species are often variegated with silver and green coloration. The inflorescence bears unisexual flowers in a spadix, with a short zone of female flowers near the base and a wider zone of male flowers nearer the tip. The fruit is a fleshy berry that ripens red. The fruit is a thin layer covering one large seed.
Cultivation and uses
Aglaonema have been grown as luck-bringing ornamental plants in Asia for centuries. They were introduced to the West in 1885, when they were first brought to the Royal Botanic Gardens, Kew. They have been cultivated, hybridized, and bred into a wide array of cultivars. They live in low-light conditions and are popular houseplants.
Cultivars have been selected for their shape and size, and especially for the color and pattern of the leaves. Many have white or cream-colored stems. Some have also been developed to tolerate colder temperatures. The most common cultivar is 'Silver Queen', which has gained the Royal Horticultural Society's Award of Garden Merit.
Most propagation of Aglaonema is done with cuttings and by dividing the basal shoots. Care of the houseplant involves protecting it from cold temperatures and excessive sunlight and removing any inflorescences that develop, which can prolong the life of the plant. It requires moist soil, and while some cultivars require a small amount of fertilizer, plants are easily injured when oversupplemented. Aglaonema are prone to false mites (Brevipalpus californicus. They may also acquire populations of nematodes, such as root-knot nematodes and Pratylenchus species, which cause root lesions. Pathogens include the fungus Myrothecium roridum and bacteria such as Pseudomonas cichorii, Erwinia chrysanthemi, and Xanthomonas campestris, which can all cause leaf spot. Colletotrichum fungi can cause anthracnose.
- Aglaonema brevispathum - Indochina
- Aglaonema chermsiriwattanae - Thailand
- Aglaonema cochinchense Vietnam, Cambodia, Thailand, Malaysia
- Aglaonema commutatum - Philippines, Sulawesi; naturalized in West Indies
- Aglaonema cordifolium - Mindanao
- Aglaonema costatum – Fox's aglaonema, spotted evergreen - Pulau Langkawi, Indochina
- Aglaonema densinervium - Philippines, Sulawesi
- Aglaonema flemingianum - Terengganu
- Aglaonema hookerianum - Darjiling, Assam, Bangladesh, Bhutan, Myanmar
- Aglaonema marantifolium - Maluku, New Guinea
- Aglaonema modestum – Japanese-leaf - Bangladesh, Indochina, southern China
- Aglaonema nebulosum - Borneo, Malaysia, Sumatra
- Aglaonema nitidum - Borneo, Malaysia, Sumatra, Java, Indochina
- Aglaonema ovatum - Laos, Thailand, Vietnam
- Aglaonema philippinense - Philippines, Sulawesi
- Aglaonema pictum - Nias, Sumatra
- Aglaonema pumilum - Myanmar, Thailand
- Aglaonema roebelinii - Luzon
- Aglaonema rotundum - Sumatra
- Aglaonema simplex – Malayan-sword - Yunnan, Indochina, Malaysia, Indonesia, Philippines
- Aglaonema tricolor - Philippines
- Aglaonema vittatum - Sumatra, Lingga Islands
|Wikimedia Commons has media related to Aglaonema.|
- Kew World Checklist of Selected Plant Families
- Aglaonema. Flora of China.
- Chen, J., et al. Cultural Guidelines for Commercial Production of Interiorscape Aglaonema. ENH957. Environmental Horticulture. Florida Cooperative Extension Service. University of Florida IFAS. 2003.
- Chen, J., et al. (2004). Genetic relationships of Aglaonema species and cultivars inferred from AFLP markers. Annals of Botany 93(2), 157-66.
- Chen, J., et al. Chilling Injury in Tropical Foliage Plants: II. Aglaonema. ENH843. Environmental Horticulture. Florida Cooperative Extension Service. University of Florida IFAS. 2001.
- "RHS Plant Selector Aglaonema 'Silver Queen' AGM / RHS Gardening". Apps.rhs.org.uk. Retrieved 2012-08-25.
- Conover, C. A., et al. Aglaonema Production Guide for Commercial Growers. Foliage Digest. Mid-Florida Research & Education Center. University of Florida IFAS.
- Moorman, G. W. Aglaonema Diseases. Penn State Extension. The Pennsylvania State University. 2013.
- Toxic Plants. Safe and Poisonous Garden Plants. Agriculture and Natural Resources. University of California.
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