[1720–30; petal + -oid]This word is first recorded in the period 1720–30. Other words that entered Englishat around the same time include: berm, cordon bleu, deadwood, personify, syllabic-oid is a suffix meaning “resembling,” “like,” used in the formation of adjectives andnouns (and often implying an incomplete or imperfect resemblance to what is indicatedby the preceding element). Other words that use the affix -oid include: alkaloid, cardioid, cuboid, ovoid, planetoid
Examples of 'petaloid' in a sentence
petaloid
The anodic oxide film presented a uniform petaloid drums and micro-cracks morphology.
Ma Kun, Yu Mei, Liu Jianhua, Li Songmei, Wu Liang, Yao Wenhui 2016, 'Effect of sodium tartrate concentrations on morphology and characteristics of anodicoxide film on titanium alloy Ti–10V–2Fe–3Al', Chinese Journal of Aeronauticshttp://www.sciencedirect.com/science/article/pii/S1000936115002137. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Many nongrass monocot flowers have two whorls of petaloid organs, which are called tepals.
Akira Kanno, Mutsumi Nakada, Yusuke Akita, Masayo Hirai 2007, 'Class B Gene Expression and the Modified ABC Model in Nongrass Monocots', The Scientific World Journalhttp://dx.doi.org/10.1100/tsw.2007.86. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The evolution of petaloid, laminar stamens, staminodes, and styles contributes to this diversity.
Kelsie eMorioka, Roxana eYockteng, Roxana eYockteng, Roxana eYockteng, Ana M. R. Almeida,Ana M. R. Almeida, Chelsea eSpecht 2015, 'Loss of YABBY2-like gene expression may underlie the evolution of the laminar stylein Canna and contribute to floral morphological diversity in the Zingiberales', Frontiers in Plant Sciencehttp://journal.frontiersin.org/Journal/10.3389/fpls.2015.01106/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, carpels are transformed into petaloid organs rather than sepaloid structures.
Yellina Aravinda L, Orashakova Svetlana, Lange Sabrina, Erdmann Robert, Leebens-MackJim, Becker Annette 2010, 'Floral homeotic C function genes repress specific B function genes in the carpel whorlof the basal eudicot California poppy (Eschscholzia californica)', EvoDevohttp://www.evodevojournal.com/content/1/1/13. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The different shapes of fungi growth like white fibrous and flower shape or dark petaloid shape were observed.
AKRAM AHMADI, MOHAMMAD REZA KAVOSI, HASSAN SOLTANLOO 2014, 'Zelkova carpinifolia reservoir from Hyrcanian Forests, Northern Iran, a new sacrificeof Ophiostoma novo-ulmi', Biodiversitashttp://biodiversitas.mipa.uns.ac.id/D/D1501/D150107.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Dermoscopy showed amoeboid, feathery, petaloid and nebuloid patterns in 12, 7, 6 and 1 patients respectively.
Balachandra S Ankad, Savitha L Beergouder 2015, 'Dermoscopic evaluation of idiopathic guttate hypomelanosis: A preliminary observation',Indian Dermatology Online Journalhttp://www.idoj.in/article.asp?issn=2229-5178;year=2015;volume=6;issue=3;spage=164;epage=167;aulast=Ankad. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, the genetic basis for the development of petaloid staminodes remains unclear largely because the genomic sequences are not available.
Xueyi Tian, Qianxia Yu, Huanfang Liu, Jingping Liao 2016, 'Temporal-Spatial Transcriptome Analyses Provide Insights into the Development of PetaloidAndroecium in Canna indica', Frontiers in Plant Sciencehttp://journal.frontiersin.org/Journal/10.3389/fpls.2016.01194/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)