A Grammatical Dictionary of Botanical Latin

Dimidium,-ii (s.n.II), abl. sg. dimidio: the half, a half (1/2); see half; note that in addition to being the abl. sg. of the noun dimidium, ‘dimidio’ is an adverb meaning ‘by half (1/2, 0.5);” see dimidio (adv.);

- disci in dimidio ventrali altissimi, discs highest in the ventral half.

- filamenta 4: 1 dimidio breviora (Swartz), filaments 4:1, shorter than a half [i.e. by one half].

- insertione folii in dimidio dorsali distincte succuba, with the leaf insertion in the dorsal half distinctly succubous.

- tubulis antherae thecas subaequantibus (non circa dimidium antherae aequantibus), with the tubules of the anther subequalling the thecas (not around half of the anther equalling).

- embryo juxta hilum parvus, nunc minimus, nunc ex Steetzio dimidium albuminis superans (B&H), the embryo beside the hilum small, somtimes very small, sometimes overtopping, according to Steetzius, half of the albumen.

- carpella matura 4, longitudinaliter dehiscentia, dimidio dorsali a ventrali stylifero valvatim secedente (B&H), mature carpels 4, dehiscing lengthwise, with the dorsal half valvately falling away from the styliferous ventral one.

- embryo nunc minimus, nunc dimidium albuminis superans (B&H), the embryo sometimes minute, sometimes exceeding one half of the albumen.

- fissura ad dimidium radii attingens, fissure reaching down to half of the radius (Stearn).

- flores subumbellati, terminales, Ae. Hippocastani dimidio minores (Swartz), the flowers somewhat umbellate, terminal, smaller than one half [of the flowers] of Aesculus hippocastanum.

- filamenta numerosissima. (ultra millia [= a noun]), infra dimidium floris (Swartz), filaments very numerous (beyond a thousand), below [i.e. less than] one half [the size or length] of the flower.