why mediterranean in lower case? 
 

a bipinnate leaf


a biternate leaf


Glossary of terms - B


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basal

At the base, situated or attached at the base.

basionym

Meaning original name, this is the first published name for a species.

berry

An indehiscent fruit, with the seeds immersed in the pulp, for instance tomato.

biennial

A plant which completes its life cycle and dies within the second year; usually also forms a basal rosette of leaves the first year and flowers and fruits the second year.

bifid

Forked; cut in two for about half its length.

bifoliate

A compound leaf having 2 leaflets.

bilateral

Arranged on opposite sides; e.g. leaves on a stem.

binomial nomenclature

A formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages.

bipinnate

Pinnately compound leaves in which the leaflets are themselves pinnately compound; also called twice-pinnate.

bipinnatisect

A pinnatisect leaf with deeply dissected segments.

bipinnatifid

Pinnately divided (i.e. like a feather) into lobes and reaching more than halfway to the midrib, and then each lobe divided again in the same manner (but leaving connections between leaflets).

bisexual

Bearing both male and female reproductive organs; usually, flowers with both stamens and carpels; hermaphrodite.

biternate

In a group of three, and each part also in a group of three (9 parts total).

bole

The trunk of a tree, usually below the lowest branch.

bloom

A fine white or bluish waxy powder occurring on plant parts, usually stems, leaves and fruits.  It is easily removed by rubbing.

bract

A modified leaf associated with flower or inflorescence, differing in shape, size or colour from other leaves (and without an axillary bud).

bracteole

Small bracts borne singly or in pairs on the pedicel or calyx.

bulb

A thick storage organ, usually underground, consisting of a stem and leaf bases (the inner ones fleshy).  The similar but distinct corms and tubers are sometimes erroneously called bulbs.

bulbel

A smaller bulb produced from a larger bulb.  Also called bulblet.

bulbil

A small deciduous bulb formed in the axil of a leaf or pinna; a means of vegetative propagation.

bulblet

A smaller bulb produced from a larger bulb.  Also called bulbel.

buttress root

A root growing from the above-ground stem or trunk, and providing support, as in the case of Ficus macrophylla, the Moreton Bay Fig.


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