| 单词 | tripinnate |
| 例句 | Pinnule, a secondary division of a bipinnate or tripinnate leaf, 66. The Elements of Botany For Beginners and For Schools The dense cliff brake may be described as follows: Stipes three to nine inches tall, blades one to three inches, triangular-ovate, pinnate at the summit, and tripinnate below. The Fern Lover's Companion A Guide for the Northeastern States and Canada From a systematic point of view these leaves indicate the origin of the water-parsnips from ordinary umbellifers, which generally have bi- and tripinnate leaves. Species and Varieties, Their Origin by Mutation A more highly developed form of the typical plant, the lower pinnæ being often very broad, and the fronds tripinnate. The Fern Lover's Companion A Guide for the Northeastern States and Canada Fronds two to six inches long, triangular-ovate, acute, broadest at the base, tripinnate. The Fern Lover's Companion A Guide for the Northeastern States and Canada Pinna, a primary division with its leaflets of a bipinnate or tripinnate leaf. The Elements of Botany For Beginners and For Schools |
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