† pericladiumn.

Origin: A borrowing from Latin. Etymon: Latin pericladium.

Etymology: < scientific Latin pericladium (H. F. Link Elementa Philosophiae Botanicae (1824) 178) < peri- peri- prefix + ancient Greek κλάδος branch (see cladus n.) + scientific Latin -ium (see -y suffix⁴). Compare phyllocladium n. N.E.D. (1905) gives the pronunciation as (periklēⁱ·diɒ̆m) /pɛrɪˈkleɪdɪəm/.

Botany. Obsolete. rare.

A petiole base that is expanded to sheathe the supporting stem.

ΘΚΠ

the world > plants > part of plant > leaf > petiole or leaf-stalk > [noun] > base

butt1683

pericladium1832

phyllopodium1884

1832 J. Lindley Introd. Bot. 95 When the lower part only of the petiole is sheathing, as in Umbelliferæ, that part is sometimes called the pericladium.

1856 J. S. Henslow Dict. Bot. Terms 130 Pericladium, the lowermost clasping portion of sheathing petioles.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2020).

单词	pericladium
释义	† pericladiumn. Origin: A borrowing from Latin. Etymon: Latin pericladium. Etymology: < scientific Latin pericladium (H. F. Link Elementa Philosophiae Botanicae (1824) 178) < peri- peri- prefix + ancient Greek κλάδος branch (see cladus n.) + scientific Latin -ium (see -y suffix⁴). Compare phyllocladium n. N.E.D. (1905) gives the pronunciation as (periklēⁱ·diɒ̆m) /pɛrɪˈkleɪdɪəm/. Botany. Obsolete. rare. A petiole base that is expanded to sheathe the supporting stem. ΘΚΠ the world > plants > part of plant > leaf > petiole or leaf-stalk > [noun] > base butt1683 pericladium1832 phyllopodium1884 1832 J. Lindley Introd. Bot. 95 When the lower part only of the petiole is sheathing, as in Umbelliferæ, that part is sometimes called the pericladium. 1856 J. S. Henslow Dict. Bot. Terms 130 Pericladium, the lowermost clasping portion of sheathing petioles. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2020). < n.1832
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