By Mark C. Tebbitt

Begonias have huge, immense horticultural charm, are broadly cultivated in the house, and extending in kind, together with hardy species for the backyard and semi-hardy species for boxes. it really is no ask yourself those fascinating crops have won any such following. Concise descriptions, keys, and stylish illustrations of greater than three hundred in general grown species and their preferred cultivars, are incorporated. extra chapters disguise their cultural historical past, cultivation, usual background, and distribution.

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The members of both Tetramelaceae and Datiscaceae share a number of unusual microscopic features with the begonias, including the b presence of a distinct seed lid, which is pushed open as the seed germinates. Tetrameles nudiflora (Tetramelaceae): a) flowering branch, b) habit. In fact, it was such shared features that the genus begonia and its relatives originally led botanists to group these three families in traditional floweringplant classifications. Cucurbitaceae (cucumber family). The cucumber family shares several characteristics with the begonia family, including unisexual flowers, inferior or semi-inferior ovaries, and twisted stigmas.

Mazae and B. purpusii), Solananthera, Tetraphila, Wageneria; not yet classified B. thelmae Plant rhizomatous: Baryandra, Begonia, Chasmophila (rhizome subterranean), Coelocentrum, Diploclinium, Gireoudia, Leprosae, Loasibegonia, Monopteron, Parvibegonia (B. crenata), Platycentrum, Pritzelia, Quadrilobaria, Reichenheimia, Ridleyella, Scutobegonia, Sphenanthera, Tetraphila, Trachelocarpus, Weilbachia Plant tuberous: Augustia, Barya, Chasmophila, Diploclinium, Erminea, Eupetalum, Knesebeckia, Parvibegonia, Peltaugustia (not tuberous but has small bulb-like structures at base of stem), Quadrilobaria, Quadriperigonia, Rostrobegonia Plant lacking a rhizome or underground tuber: Augustia (B.

As with slugs and snails, one method of controlling these pests is to routinely walk around the garden or greenhouse at night and remove them by hand. The weevil grubs resemble fat, white housefly maggots and cause more damage to plants than do the adults. They feed on roots and tubers, causing plants to suddenly wilt or collapse. Most chemical treatments focus on the larvae, as chemical control of the adult weevils is difficult. When infestation is widespread, some authorities recommended working insecticides into the potting medium whenever plants are repotted.

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