bipinnate

[ bahy-pin-eyt ]

Phonetic (Standard)IPA

adjective

, Botany.

bipinnate

/ baɪˈpɪnˌeɪt /

(of pinnate leaves) having the leaflets themselves divided into smaller leaflets

bipinnate

/ bī-pĭn′āt′ /

Relating to compound leaves that grow opposite each other on a larger stem; twice-compound or twice-pinnate. Bipinnate leaves have a feathery appearance. The acacia, coffeetree, and silktree have bipinnate leaves.

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From the New Latin word bipinnātus, dating back to 1785–95; bi- ¹, pinnate

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Traillæ, which has “very large bipinnate fronds, all the pinnules pinnatifid.”

In all botanical works the fronds are incorrectly said to be bipinnate.

The latter are compound, bipinnate (Fig. 7), and have fifty pairs of leaflets, which are linear and obtuse and of a grayish green.

Its leaves are bipinnate, with stalked, shining leaflets that are irregularly cut.

In the former, the leaves are very finely bipinnate, and the general aspect of the foliage is extremely feathery and graceful.

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