Tag: study of some important families

Plants that are in a symbiotic relationship with certain bacteria present in roots to carry out nitrogen fixation have nodules in their roots where bacteria are localized. This is the special adaptation found in pulses which belongs to the family Fabaceae to fulfill their nitrogen requirements.

Aschynomene is a genus belonging to the family Fabaceae. The used part of Aschynomene is the wood of the stem (often mistaken as pith). The woods of Aschynomene species is one of the lightest woods in the world. The wood feels like a piece of thermacol or even lighter than the cork. The wood is bright-white to off-white in colour.

Glycine max commonly known as soyabean or soybean is a species of legume native to East Asia, widely grown for its edible bean which has numerous uses. Soyabean meal is a significant and cheap source of proteins for animal feeds and many packaged meals.

Corolla is the second axillary whorl composed of petals. Like calyx, corolla also protects essential stamens and carpels within. Papilionaceous corolla has five free petals resembling a butterfly. The posterior superior petal is larger than the others (vexillum or standard), two anterior inferior petals which are usually more or less united forming a boat-shaped structure (carina or keel), two lateral petals called wings which overlap the carina and are themselves overlapped with the vexillum. This is a characteristic of subfamily Papilionaceae (eg: pea flower) belonging to family Fabaceae.