Acicular

Needlelike; very long and slender

Subulate

Awn- or Awl-shaped; narrow lanceolate, flat, stiff, sharp-pointed, usually less than 12 mm long

Scale

Small, sharp-pointed, broadened at base

Linear

Long, thin, with approximately parallel sides, pointed or narrow roundness at end

Oblong

Long, with parallel side, rounded at end

Lanceolate

Lance-shaped, widest at point about one third of distance from base, tapering to apex

Oblanceolate

The reverse of Lanceolate. Widest point about one third of distance from apex, tapering to base

Ovate

Egg-shaped outline, with widest point below middle

Obovate

Reverse of ovate, widest point above the middle

Elliptical

Like and eclipse, widest point at middle

Oval

Broadly elliptical, with width greater than one-half the length

Orbicular

Circular, or nearly so

Reniform

Orbicular, with a pointed apex

Rhombic

Diamond-shaped,more or less symmetrical at the widest point in the middle and the sides are more or less straight to apex and base

Spatulate

Narrower than obovate, broad apex and tapering to base

Flabellate

Fan-shaped

Deltate

Delta-shaped, triangular