petiolar

American  

[pet-ee-uh-ler, pet-ee-oh-ler] / ˈpɛt i ə lər, ˌpɛt iˈoʊ lər /

adjective

Botany.

1. of, relating to, or growing from a petiole.

---

Other Word Forms

• interpetiolar adjective

Etymology

Origin of petiolar

First recorded in 1750–60; petiole + -ar ¹

Example Sentences

The number, size and shape of the lobes are important in distinguishing both varieties and species, as are also the petiolar, basal and lateral sinuses.

From Manual of American Grape-Growing by Hedrick, U. P.

Leaves medium in size, thick; upper surface rugose; lower surface heavily pubescent; veins distinct; lobes three; petiolar sinus deep, narrow; serration shallow.

From Manual of American Grape-Growing by Hedrick, U. P.

Leaves large; upper surface light green, dull, smooth; lower surface grayish-white, heavily pubescent; lobes sometimes three, terminal one acute; petiolar sinus deep, narrow; basal sinus often lacking; lateral sinus narrow; teeth shallow, narrow.

From Manual of American Grape-Growing by Hedrick, U. P.

Leaves small, thin; upper surface light green, smooth; lower surface pale green, glabrous; lobes one to three, terminal one acute; petiolar sinus shallow, wide; basal sinus usually lacking; lateral sinus shallow.

From Manual of American Grape-Growing by Hedrick, U. P.

Leaves medium in size; upper surface light green, rugose; lower surface grayish-white to bronze, heavily pubescent; lobes faint; petiolar sinus wide; teeth small, sharp.

From Manual of American Grape-Growing by Hedrick, U. P.