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Chart illustrating leaf morphology terms. Click the image for the details.
Oddly pinnate, pinnatifid leaves (
Cordate leaf (
completely surrounding the plant stem (
is characterised with the following terms (botanical Latin terms in brackets):
): Slender and pointed, needle-like
): Tapering to a long point
): Ending in a stiff, bristle-like point
): Each leaflet also pinnate
Compound: The combination of one leaflet arrangement within an arrangement at a larger level; e.g.:"bipinnate, twice-pinnate: the leaflets are themselves pinnately-compound"
): Heart-shaped, stem attaches to cleft
): Triangular, stem attaches to point
) or deltate: Triangular, stem attaches to side
): Divided into finger-like lobes
): Oval, with a short or no point
): thread- or filament-shaped
): Semi-circular, or fan-like
Hastate, spear-shaped (
): Pointed, with barbs, shaped like a spear point, with flaring pointed lobes at the base
Lance-shaped, lanceolate (
): Long, wider in the middle
): Long and very narrow
): With several points
): Heart-shaped, stem attaches to tapering point
): Top wider than bottom
): Having an elongated form with slightly parallel sides
): Teardrop-shaped, stem attaches to tapering point
): With a blunt tip
): Oval, egg-shaped, with a tapering point
): consisting of leaflets
radiating from the base of the leaf.
): Palmate, with cleft lobes
): Rounded, stem underneath
): Stem through the leaves
): Two rows of leaflets
odd-pinnate, imparipinnate: pinnate with a terminal leaflet
paripinnate, even-pinnate: pinnate lacking a terminal leaflet
pinnatifid and pinnatipartite: leaves with pinnate lobes that are not discrete, remaining sufficiently connected to each other that they are not separate leaflets.
bipinnate, twice-pinnate: the leaflets are themselves pinnately-compound
tripinnate, thrice-pinnate: the leaflets are themselves bipinnate
tetrapinnate: the leaflets are themselves tripinnate.
): Cut, but not to the midrib (it would be pinnate then)
Spear-shaped: see Hastate.
Spatulate, spathulate (
-shaped with a tapering point
): Long, thin, pointed
Trifoliate (or trifoliolate), ternate (
): Divided into three leaflets
): Pinnately compound in which each leaflet is itself bipinnate
): With a squared off end
): with a single leaf
"Cumulative Glossary for Vascular Plants"
Flora of New South Wales
"palmate (adj. palmately)"
GardenWeb Glossary of Botanical Terms
Up to date as of November 16, 2009
palmate (adj. palmately)
- GardenWeb defines palmate (adj. palmately)
Cumulative Glossary for Vascular Plants
- Flora of New South Wales Glossary
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