4 ผลลัพธ์ สำหรับ orthotropous
หรือค้นหา: -orthotropous-, *orthotropous*, orthotropou

ศัพท์บัญญัติราชบัณฑิตยสถาน
orthotropous; antitropous-ออวุลตั้งตรง [พฤกษศาสตร์ ๑๘ ก.พ. ๒๕๔๕]

WordNet (3.0)
orthotropous(adj) (of a plant ovule) completely straight with the micropyle at the apex, Ant. campylotropous
orthotropous ovule(n) a completely straight ovule with the micropyle at the apex

Collaborative International Dictionary (GCIDE)
Orthotropous

{ } a. [ Ortho- + Gr. &unr_; to turn: cf. F. orthotrope. ] (Bot.) Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle; atropous. [ 1913 Webster ]

☞ This word has also been used (but improperly) to describe any embryo whose radicle points towards, or is next to, the hilum. [ 1913 Webster ]

Variants: Orthotropal

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