rachillan.

Brit.

/rəˈkɪlə/, U.S.

/rəˈkɪlə/

Inflections: Plural rachillae, rachillas.

Forms: 1800s– rachilla, 1800s– rhachilla.

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

Etymology: < scientific Latin rachilla (1834 or earlier) < post-classical Latin rachis rachis n. + -illa -illa suffix.

Botany.

In grasses: the floral axis, i.e. the axis on which the florets are borne within the spikelet (cf. rachis n. 3a). Also (in palms): the ultimate flower-bearing axis of the inflorescence.

ΘΚΠ

the world > plants > particular plants > plants and herbs > a grass or grasses > [noun] > part of

bladec1450

grass root1474

bent1577

chat1601

grasstop1659

knee1678

locusta1707

straw1776

spikelet1793

strap1793

sheath-scale1796

spiket1796

stragule1821

scutellum1832

scobina1839

rachilla1842

chaff-scale1856

coleorhiza1866

hypoblast1882

lemma1906

1842 W. T. Brande Dict. Sci., Lit. & Art 1011/2 Rachilla, a branch of inflorescence; the zigzag centre upon which the florets are arranged in the spikelets of grasses.

1881 Jrnl. Linn. Soc. 18 367 The rhachilla present, but not exceeding the glume.

1914 C. V. Piper Forage Plants & their Culture i. 14 The grasses form a sharply defined family characterized by having..flowers always in spikelets, with 2-ranked bracts or scales, arranged on an axis, the rachilla.

1931 Amer. Jrnl. Bot. 18 415 This species..is easily distinguished by the hairy rachillas and longer awns.

1976 Hortus Third (L. H. Bailey Hortorium) 940/2 Raphia... About 20 spp. of unarmed, monoecious palms..each infl. with many bracts subtending brs., the brs. again bracted and divided into short rachillae crowded with bracted, unisexual fls.

1991 C. Stace New Flora Brit. Isles 978 Poaceae—Grass Family (Gramineae)... The florets borne on slender axis (rhachilla).

2000 Brittonia 52 166/2 Bactris gastoniana is a small, understory palm with a solitary stem... There is 1 rachilla and this is completely covered with tightly spaced flowers.

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).

单词	rachilla
释义	rachillan. Brit. /rəˈkɪlə/, U.S. /rəˈkɪlə/ Inflections: Plural rachillae, rachillas. Forms: 1800s– rachilla, 1800s– rhachilla. Origin: A borrowing from Latin. Etymon: Latin rachilla. Etymology: < scientific Latin rachilla (1834 or earlier) < post-classical Latin rachis rachis n. + -illa -illa suffix. Botany. In grasses: the floral axis, i.e. the axis on which the florets are borne within the spikelet (cf. rachis n. 3a). Also (in palms): the ultimate flower-bearing axis of the inflorescence. ΘΚΠ the world > plants > particular plants > plants and herbs > a grass or grasses > [noun] > part of bladec1450 grass root1474 bent1577 chat1601 grasstop1659 knee1678 locusta1707 straw1776 spikelet1793 strap1793 sheath-scale1796 spiket1796 stragule1821 scutellum1832 scobina1839 rachilla1842 chaff-scale1856 coleorhiza1866 hypoblast1882 lemma1906 1842 W. T. Brande Dict. Sci., Lit. & Art 1011/2 Rachilla, a branch of inflorescence; the zigzag centre upon which the florets are arranged in the spikelets of grasses. 1881 Jrnl. Linn. Soc. 18 367 The rhachilla present, but not exceeding the glume. 1914 C. V. Piper Forage Plants & their Culture i. 14 The grasses form a sharply defined family characterized by having..flowers always in spikelets, with 2-ranked bracts or scales, arranged on an axis, the rachilla. 1931 Amer. Jrnl. Bot. 18 415 This species..is easily distinguished by the hairy rachillas and longer awns. 1976 Hortus Third (L. H. Bailey Hortorium) 940/2 Raphia... About 20 spp. of unarmed, monoecious palms..each infl. with many bracts subtending brs., the brs. again bracted and divided into short rachillae crowded with bracted, unisexual fls. 1991 C. Stace New Flora Brit. Isles 978 Poaceae—Grass Family (Gramineae)... The florets borne on slender axis (rhachilla). 2000 Brittonia 52 166/2 Bactris gastoniana is a small, understory palm with a solitary stem... There is 1 rachilla and this is completely covered with tightly spaced flowers. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < n.1842
随便看	bladder lard bladder of lard bladder senna bladder worm bladder-angling bladder-brand bladder-campion bladder-fern bladder-fish bladder-glass bladder-green bladder-herb bladder-hole bladder-kelp bladder-less bladder-like bladder-nose bladder-nut bladder-plum bladder-pot bladder-puffed bladder-seed bladder-senna bladder-snout bladder-tangle