Department of the Environment, Water, Heritage and the Arts home page

About us | Contact us | Publications | What's new

Header imagesHeader imagesHeader images

Australian Biological Resources Study

[an error occurred while processing this directive]

Flora of Australia
GLOSSARY

Compiled by A.McCusker


INDEX

| A | B | C | D | E | F | G | H | I | J-K | L | M | N | O | P-Q | R | S | T | U | V | W-Z | Back to Glossaries

U

umbel: a racemose inflorescence in which all the individual flower stalks arise in a cluster at the top of the peduncle and are of about equal length. > image <

umbellule: secondary umbel in a compound umbellate inflorescence.

uncinate: terminating in a hooked point.

undulate: wavy, i.e. not flat. cf. sinuate. > image <

unifacial: of leaves, where the adaxial (upper) edge is homologous with the adaxial surface of a dorsiventral leaf and the remainder is derived from the abaxial surface. cf. bifacial.

unifoliate: having one leaf.

unifoliolate: of a leaf, basically compound, but reduced to only one leaflet. > image <

unilateral: of stamens, with anthers grouped on one side of the style.

unilocular: of an ovary, anther or fruit, having only one internal cavity.

unisexual: bearing only male or only female reproductive organs. > image <

united: fused together.

urceolate: urn-shaped. > image <

utricle: a small bladder; a membranous bladder-like sac enclosing an ovary or fruit.

© Commonwealth of Australia