Tree; fruit a cluster of bladder-like sacs each containing a small achene =Ironwood, Ostrya virginiana.
A sac-like structure surrounding the acheneof a sedge.
Racemes drooping or nodding at the tip; achene dull-colored =Smartweed, Polygonum hydropiper.
Beak of theachene very short and erect; rare species =Arrow-head, Sagittaria arifolia.
The uppermost spike or spikes wholly staminate, the lower one or more pistillate; ovary and achene surrounded by a sac, the perigynium.
Beak of the achene sharp, incurved at right angles to the body; common species =Arrow-head, Sagittaria latifolia.
Achene purple-brown to black, slightly tapering from base to apex 1.
Achene surrounded by two persistent shining pieces, the floret; floral glume hard, light brown, oval or ovate-lanceolate 2.
Achene covered by 3 brown heart-shaped calyx-wings, which are 2.
Achene covered by three brown, hastate-deltoid calyx-wings, which are about 4 mm.
All the florets are strap-shaped and perfect; and the fruits, which taper at the top, are mostly crowned by a pappus of feathery hairs as long as the achene itself, with a few shorter ones outside.
The little fruits have projecting points towards the top, and are provided with a slender beak, three or four times as long as the achene itself, at the summit of which is a tuft of silky hairs.
When the pericarp is thin, and appears like a bladder surrounding the seed, the achene is termed a utricle, as in Amarantaceae.
Smoothish; flower with 8 honey-bearing yellow-glands interposed between the stamens; achene acute and entire, smooth and shining.
Achene globular, stony, bony, or enamel-like in texture.
Achene lenticular or triangular, naked at the apex.
Like the last, but the heads cylindrical or oblong, spikelets usually 2-flowered, andachene linear-oblong.
Achene (commonly solitary) enclosed in the 4-angled dry and thickish closed calyx-tube.
Style 2-cleft and the achene not at all angled on the back; stamens 2, and bristles 4.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "achene" in a variety of sentences. We hope that you will now be able to make sentences using this word.
