| 释义 |
trigonous, a. Nat. Hist.|ˈtrɪgənəs|
[f. Gr. τρίγων-ος (see trigon) + -ous.]
= trigonal 2.
[1760–88J. Lee Introd. Bot. Gloss., Trigonus caulis, a three-sided stalk.] 1821W. P. C. Barton Flora N. Amer. I. 114 Capsule truncate, trigonous. 1828Stark Elem. Nat. Hist. I. 259 Dendrocolaptes,..Bill depressed and trigonous at the base. 1870Hooker Stud. Flora 245 Convolvulus arvensis..seeds 4, obtusely 3-gonous. |