| 词汇 | midvein |
| 释义 | BETA Examples of midveinmidvein isn’t in the Cambridge Dictionary yet. You can help! A thick midvein extends for most of the length of the pinnule. The sinuses between the lobes extend for nearly halfway between the pinnule margin and the midvein. In the larger, more lobed pinnules there is a midvein from which lateral veins are produced. Lateral veins extend from the midvein at c. 60° and are not curved; the lateral veins fork once or in the larger pinnules twice at a wide angle. Sori are round and form on either side of the pinnule midvein. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori occur near the midvein of fertile pinnules and are covered by thin, pale indusia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The cotyledons of the seedling have a bright purple red, or purplish red midvein and margins. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori are borne on each side of the pinnule midvein. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori occur near the fertile pinnule midvein and are protected by pale, thin indusia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori are borne near the fertile pinnule midvein and are protected by thin indusia that are saucer-like in appearance. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori occur near the fertile pinnule midvein and are covered by large, firm, brown indusia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori are round, occur near the fertile pinnule midvein. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori occur near the midvein of fertile pinnules and lack indusia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori are borne in two rows, one on each side of the pinnule midvein. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori are borne near the fertile pinnule midvein and are protected by firm, brown indusia that are saucer-like in appearance. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori occur in two rows along each side of the pinnule midvein and are covered by firm indusia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori are small and occur in rows, one along each side of the pinnule midvein. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The preserved petals show distinct resin pockets on their surface and a distinct row of hairs along the midvein. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sori occur near the fertile pinnule midvein and are covered by thin, pale indusia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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