| Name | Structure/ Category | Description |
|---|---|---|
| Irregular | of a flower or its parts lacking uniformity; specif zygomorphic (or) bilaterally symmetrical; said of a flower in which all parts are not similar in size and arrangement on the receptacle (compare regular, and see zygomorphic) (h) | |
| Keel | A longitudinal ridge, more or less triangular in cross section, like the keel of a boat. | |
| Keeled | (2) [Apophyses] {keels} | With a vertical ridge or keel. |
| Keeled above | [Leaves] {keels} | With a longitudinal ridge or keel, more or less triangular in cross section, running down the center of the upper surface of the leaf. |
| Keeled below | [Leaves] {keels} | With a longitudinal ridge or keel, more or less triangular in cross section, running down the center of the lower surface of the leaf. |
| Lacerate | [Leaf margins, Leaflet margins, Petal margins, Phyllary margins, Sepal margins] {form} | Margins irregularly cut, appearing torn. |
| Laciniate | [Leaf margins, Leaflet margins, Petal margins, Phyllary margins, Sepal margins] {form} | Cut into narrow, ribbon-like segments. |
| Lance-cylindric | [Buds] {shape} ; [Seed cones] {shape before opening, shape when open} | Intermediate in shape between lanceoloid and cylindric. |
| Lance-obovoid | [Seed cones] {shape before opening, shape when open} | Intermediate in shape between lanceoloid and obovoid. |
| Lanceolate | [Leaflets, Leaves, Petals, Phyllaries, Sepals] {shape} | Several times longer than broad, widest near the base and tapering to a point at the apex; lance-head-shaped. |
