achene

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a·chene

(ă-kēn')

A small one-seeded fruit.

[G. a- priv., + chainō, to yawn]

achene

a small, dry, INDEHISCENT, one-seeded fruit with a thin PERICARP seen, for example, on the surface of strawberry ‘fruits’. See Fig. 7 .

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References in periodicals archive ?

Germination time differs among achene types, usually occurring with rainy weather in April, May, or June, though it has been documented as early as February.

Seed morphometrics and adaptive geographic differentiation

When the rachilla is not articulate, usually each achene falls singly like its glume, detaching from the base to the spikelet apex (Cyperus s.

Spikelet structure in Cypereae (Cyperoideae-Cyperaceae)

Drought stress showed significant decrease in achene oil content and this decrease was further pronounced when drought employed at flower initiation than at bud initiation.

ABSCISIC ACID MEDIATED BIOCHEMICAL CHANGES IN SUNFLOWER (HELIANTHUS ANNUUS L.) GROWN UNDER DROUGHT AND WELL-WATERED FIELD CONDITIONS

In case of sulphur doses, 30 kg/ha elemental sulphur produced maximum thousand achene weight (53.

Growth and yield response of sunflower (Helianthus annum L.) to sulphur and boron application

5) mm long, globose to ovoid, with obtuse, apiculate apex, conspicuously pitted, white or gray, with tufts or lines of minute, yellowish to purplish hairs; hypogynium distinctly 3-lobed, the lobes oblong to lanceolate, apex obtuse to subacute, appressed to achene base.

A review of the genus Scleria (Cyperaceae) in Illinois

Perianth bristles absent or reduced to short, unequal lengths, rarely exceeding the middle of the achene body .

Rediscovery of Fuirena repens (Cyperaceae), a rare endemic of the Mexican High Plateau

Sunflower moth damage and inheritance of the phytomelanin layer in sunflower achenes.

Quantitative trait loci for genetically correlated seed traits are tightly linked to branching and pericarp pigment loci in sunflower

validus which has a similar achene grows in similar habitats.

An illustrated catalogue of macroscopic subfossils from late-Pleistocene and Holocene westland deposits in northern Indiana

Wind dispersal distances in dimorphic achenes of ragworts Senecio jacobaea.

Maternal determinants of seed dispersal in Cakile edentula: fruit, plant, and site traits

The emergence speed index (IVE) also underwent a reduction as achene water content decreased (Figure 12).

Radiographic image analysis of Anacardium othonianum Rizz (anacardiaceae) achenes subjected to desiccation/Analise de imagens radiograficas em aquenios de Anacardium othonianum Rizz (anacardiaceae) submetidos a secagem

The fruit includes a non-persistent perianth, achene large (4.