A Grammatical Dictionary of Botanical Latin

hians,-antis (part.B): gaping, open-mouthed; “gaping; opening by a long narrow fissure cut across the shorter axis” (Lindley); “gaping, as a ringent corolla” (Jackson) [> L. hio,-avi,-atum, 1. to open, to gape , to stand or be open, as of the mouth or a mouth or other opening]; cf. ringens,-entis (part.B), ringent; “gaping, as the mouth of an open bilabiate corolla” (Fernald 1950); see personate; see palate; opp. clausus,-a,-um (part.A): closed;

hiat: 3d pers.sg. pres. act. indic. [he,she] it gapes, gapes open, stands open;

- peristomii dentes interiores valde hiantes, with the inner teeth of the peristome strongly gaping.

- processus in carina hiantes, the processes in the keel gaping.

- fructus aut capsularis et indehiscens, apice clausus v. hians, aut raro baccatus (B&H), fruit either capsular and indehiscent, at the apex closed or gaping, or rarely berried.

- carpella 6-oo-ovulata, matura persistentia, bivalvatim hiantia (B&H), the carpels 6-[indeterminate]-ovulate, the mature ones persisting, bivalvately gaping.

- GYMNOSPERMUM, Spach, Suit. Buff. viii. 66, L. altaicum et L. Eversmani includens, non differt nisi capsula etiam ante maturitatem apice magis hiante (B&H), Gymnospermum, including L. altaicum and L. Eversmani, does not differ except by the capsule even before maturity with its apex more gaping.

- nux 1-locularis, 1-sperma, apice demum hians v. clausa (B&H), nut with one locule, 1-seeded, at the apex ultimately gaping or closed.

- sed discus utplurimum e centro communi irregulariter fissus in lacinias saepe triangulares subaequales, attamen nonnumquam etiam quadratas, difformes etc., in marginem erectum dispositas, hiat (S&A), but, for the most part, the disc gapes open [hiat], after being irregularly split into laciniae, often triangular, somewhat uniform, and even sometimes quadrate, of unusual forms etc., arranged on the erect margin.

- [Neurada] fructus orbicularis, depresso-conicus, basi lata plana laevi, carpidia 10, horizontaliter patentia, superne hiantia, stylis spinescentibus terminata (B&H), fruit orbicular, depressed-conic, at the base broad, flat, smooth,the carpidia 10, horizontally spreading, gaping above, terminated by the spine-like styles.

- [Grielum; Rosaceae] carpidia lO, horizontaliter radiantia, coriacea, secus axin hiantia. (B&H), the carpidia 10, horizontally radiating, leathery, gaping along the axis.

Eurhynchium hians is so named from the 'wide-open, spreading nature of the leaves' that are distant on the stem when dry (C&A).