| 单词 | indusium |
| 释义 | indusium (once / 84424 pages) n WORD FAMILY indusium: indusia USAGE EXAMPLESSori more or less elongated, without indusium, placed on the back of the frond, usually along the veins or near their extremities. Gray, Asa, The Manual of the Botany of the Nor...(2012) In many Ferns these fruit-dots are naked; in others they are produced under a scale-like bit of membrane, called an Indusium. Gray, Asa, The Elements of Botany—For Beginner...(2010) When the fruit is ripe, the indusium is something of a lilac colour, spotting the frond in double rows—as you see it there. Warner, Susan, The Old Helmet, Volume I(2010) n a membrane enclosing and protecting the developing spores especially that covering the sori of a fern Hyper cover, covering, natural covering a natural object that covers or envelops |
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