Botanical Words Alphabetical List - BI

BIENNIAL: A plant that needs two seasons of growth to produce flowers and fruit. It produces leaves the first year and blossoms, bears fruit, goes to seed and dies the next.

BIFARIOUS: Divided into two parts and pointing in two ways, or arranged in two opposite rows, as leaves that grow only on opposite sides of a branch.

BIFID: Divided into two equal lobes or parts by a space in the center; forked, like a snake's tongue; divided in two by a deep cleft.

BIFOLIATE: Having two leaves.

BIFOLIOLATE: Having two leaflets as in a compound leaf.

BIFOLLICULAR: Having two seed cases, or twin pods, especially in milkweed (Asclepias).

BIFORATE: Having two pores or perforations. Also biforous.

BIFURCATE: Forked.

BILABIATE: Possessing or having the appearance of two lips; the two-lipped center of a flower. (An example is the flowers of Salvia.)

BILOBATE: Having or divided into two lobes, as a bilobate leaf.

BILOCULAR: Divided into two cell, as in a walnut.

BINATE: Being double or in couples; growing in pairs; having only two leaflets to a group.

BIODYANMIC: Having to do with the dynamic relation between organisms and their environments.

BIOTA: The plant and animal life of a region or period.

BIOTYPE: All the plants in a specific group, all of which resemble one another in some specific way.

BIPINNATE: Twice pinnate; doubly divided leaf.

BIPLICATE: Doubly folded; twice folded together, transversely, as the first new leaves that sprout from a bean.

BIRAMOUS: Possessing two branches; dividing into two branches.

BIRD NETTING: Nylon or plastic mesh used as a drape to keep birds out of fruit trees, berry patches, or vegetable gardens. Smaller mesh netting can be placed right over strawberries, raspberries, and corn; larger mesh netting may be draped over trees, bushes, grapes, or over a supporting structure.

BIRIMOSE: Opening by two slits, as the anthers of most plants.

BISETOSE: Having two bristles.

BISEXUAL: A flower containing both male and female organs.

BISPINOUS: Having two spines.

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