from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Having the leaf base extending down the stem below the insertion.
from The Century Dictionary.
- In botany, extending downward beyond the place of insertion: as, a decurrent leaf (that is, a sessile leaf having its base extending downward along the stem). Also
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Bot.) Extending downward; -- said of a leaf whose base extends downward and forms a wing along the stem.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective botany Pertaining to plant parts that extend
downward, most often applied to leaf blades that partly wrap or have wings around the stem or petiole and extend down along the stem.
- adjective mycology Pertaining to
lamellae(the gills of a mushroom) that are broadly attached and extend down the stipeof the mushroom.
- adjective obsolete
runningor extending downwards.
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
The gills are adnato-decurrent, that is, partly attached and prolonged down the stem.
+Tubes+ greenish-yellow, turning dark green, adnato-decurrent, that is, broadly attached to the stem and running down it, ⅛ inch long.
CLITOPILUS Fr. In the rosy-spored agarics belonging to this genus the gills are decurrent, that is, extend for some distance down on the stem.
a considerable distance, as in the so-called decurrent leaves, at other times the leaves are prolonged at their base into lobes, which are directed along the stem, and are united with it.
They are "decurrent," or running along the stalk; a broad strip at the base of each leaf is attached to the stalk.
The lower pinnæ pinnately parted into three to five divisions, those of the fertile fronds oblong or linear-oblong; those of the sterile, obovate or ovate, crenulate, decurrent at the base.
Pinnules lanceolate, strongly decurrent so that the pinnæ are merely pinnatifid.
Basal segments decurrent and forming a many-angled wing along the main rachis.
The toadstool is tawny yellow, and produces white spores; the gills are decurrent, and the stem bears a ring.
Fronds oblong-lanceolate, five to twelve inches long, twice pinnate, the pinnæ often pinnatifid or cut-toothed, ovate-lanceolate, decurrent on the winged rachis.