| 单词 | Ipomoea leptophylla |
| 例句 | Ipomoea leptophylla.—In most of the species of this genus the hypocotyl is well developed, and breaks through the ground as an arch. The Power of Movement in Plants In the case of Ipomoea leptophylla it is the petioles of the cotyledons which become arched whilst rising through the ground; and this occurred spontaneously when the seeds were fixed to the lids of jars. The Power of Movement in Plants |
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