pulvinulusn.

Brit.

/pʌlˈvɪnjᵿləs/, U.S.

/pəlˈvɪnjələs/

Inflections: Plural pulvinuli.

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

Etymology: < scientific Latin pulvinulus ( E. Acharius Methodus qua omnes detectos lichenes (1803) I. 10, with reference to fungi) < classical Latin pulvīnulus (former reading at Columella De Arboribus 10. 4, where modern editions have pulvillus : see pulvillus n.) < pulvīnus cushion, pillow (see pulvinus n.) + -ulus -ulus suffix. Compare later pulvinule n.

1. Botany. In certain lichens, esp. ones of the genus Parmelia: any of a number of spongy, sometimes highly branched, outgrowths arising from the thallus. rare.

ΚΠ

1829 J. C. Loudon Encycl. Plants 948 Pulvinuli are spongy, excrescence-like bodies arising from the frond, and often resembling minute trees.

1866 J. Lindley & T. Moore Treasury Bot. II. 940/2 Pulvinuli, spongy excrescences in Lichens, sometimes rising up from the thallus and often resembling minute trees.

1957 W. H. Snell & E. A. Dick Gloss. Mycol. 129/1 Pulvinulus, a spongy, more or less dendritic excrescence of the thallus of some lichens.

†2. Mycology. = pulvinule n. 2. Obsolete. rare.Apparently only attested in dictionaries or glossaries.

ΚΠ

1866 J. Lindley & T. Moore Treasury Bot. II. 940/2 Pulvinulus, a heap of naked spores, such as occurs in the genus Spiloma.

3. Botany. = pulvinule n. 3. rare.

ΘΚΠ

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

pulvinus1832

struma1832

pulvinule1919

pulvinulus1991

1991 Boletim do Museu Paraense Emilio Goeldi Serie Botanica 7 249 The leaves of these species are considered here to be reduced compound leaves rather than truly simple, at least in those genera with pulvinuli on the terminal leaflets.

1998 Brittonia 50 520/2 The petiolules long and slender, sometimes inconspicuously winged..pulvinuli relatively conspicuous.

This is a new entry (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	pulvinulus
释义	pulvinulusn. Brit. /pʌlˈvɪnjᵿləs/, U.S. /pəlˈvɪnjələs/ Inflections: Plural pulvinuli. Origin: A borrowing from Latin. Etymon: Latin pulvinulus. Etymology: < scientific Latin pulvinulus ( E. Acharius Methodus qua omnes detectos lichenes (1803) I. 10, with reference to fungi) < classical Latin pulvīnulus (former reading at Columella De Arboribus 10. 4, where modern editions have pulvillus : see pulvillus n.) < pulvīnus cushion, pillow (see pulvinus n.) + -ulus -ulus suffix. Compare later pulvinule n. 1. Botany. In certain lichens, esp. ones of the genus Parmelia: any of a number of spongy, sometimes highly branched, outgrowths arising from the thallus. rare. ΚΠ 1829 J. C. Loudon Encycl. Plants 948 Pulvinuli are spongy, excrescence-like bodies arising from the frond, and often resembling minute trees. 1866 J. Lindley & T. Moore Treasury Bot. II. 940/2 Pulvinuli, spongy excrescences in Lichens, sometimes rising up from the thallus and often resembling minute trees. 1957 W. H. Snell & E. A. Dick Gloss. Mycol. 129/1 Pulvinulus, a spongy, more or less dendritic excrescence of the thallus of some lichens. †2. Mycology. = pulvinule n. 2. Obsolete. rare.Apparently only attested in dictionaries or glossaries. ΚΠ 1866 J. Lindley & T. Moore Treasury Bot. II. 940/2 Pulvinulus, a heap of naked spores, such as occurs in the genus Spiloma. 3. Botany. = pulvinule n. 3. rare. ΘΚΠ the world > plants > part of plant > leaf > petiole or leaf-stalk > [noun] > pulvinule or struma pulvinus1832 struma1832 pulvinule1919 pulvinulus1991 1991 Boletim do Museu Paraense Emilio Goeldi Serie Botanica 7 249 The leaves of these species are considered here to be reduced compound leaves rather than truly simple, at least in those genera with pulvinuli on the terminal leaflets. 1998 Brittonia 50 520/2 The petiolules long and slender, sometimes inconspicuously winged..pulvinuli relatively conspicuous. This is a new entry (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1829
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