Acrogen
a flowerless plant growing and producing its reproductive structures at the apex only, as ferns and mosses.
Historical Examples
acrogen, ak′ro-jen, n. a plant that grows at the top chiefly, as a tree-fern.
Chambers’s Twentieth Century Dictionary (part 1 of 4: A-D) Various
noun
any flowerless plant, such as a fern or moss, in which growth occurs from the tip of the main stem
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- Acrogeria
acrogeria acrogeria ac·ro·ger·i·a (āk’rō-jěr’ē-ə, -gēr’-) n. Congenital reduction or loss of subcutaneous fat and collagen of the hands and feet.
- Acrognosis
acrognosis acrognosis ac·rog·no·sis (āk’rəg-nō’sĭs) n. Sensory perception of the limbs.
- Acrokeratoelastoidosis
acrokeratoelastoidosis acrokeratoelastoidosis ac·ro·ker·a·to·e·las·toi·do·sis (āk’rō-kěr’ə-tō-ĭ-lās’toi-dō’sĭs) n. An inherited disorder marked by hyperkeratotic yellow nodules on the palms and soles with disorganization of the dermal elastic fibers.
- Acrogynous
having the female reproductive organ arising from the apical cell of the stem, thereby terminating its growth, as certain liverworts. Historical Examples The acrogynous Jungermanniaceae fall into a number of natural groups, which cannot, however, be followed out here. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 Various