| 释义 |
hapteron|ˈhæptərɒn|
Pl. haptera.
[mod.L., badly f. Gr. ἅπτειν to fasten.]
An organ of attachment by which certain aquatic plants or algæ fasten themselves to rocks.
1895M. C. Potter tr. Warming's Handbk. Syst. Bot. i. 10 Hairs and organs of attachment (rhizoids and haptera), which biologically serve as roots, are developed. 1909Groom & Balfour tr. Warming's Oecol. Plants lxii. 241 Lithophytes require haptera by which they can attach themselves to rock, unless the thallus itself adheres closely to this. 1967C. D. Sculthorpe Biol. Aquat. Vasc. Plants v. 111 It creeps over the rocks to which it adheres by hairs or by exogenous projections known as haptera, which secrete a cement from their discoid tips. |