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Hao Jiang, Ting Zhou, Junjun Fan, Donglin Zhang, Long Zhang, Yanyan Sun, and Wangxiang Zhang

Eseltine’. M. ‘Van Eseltine’ is the offspring of M. × arnoldiana and M. spectabilis ; it has pinkish double flowers and is often used in landscapes and gardens ( Zhou et al., 2018 ). The unopened flower of ‘Yangzhi Yu’ is light pink and the petal

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Qianqian Shi, Long Li, Lin Zhou, and Yan Wang

)-based anthocyanins were not detected in any accessions in the subsection Delavayanae and that the purple flowers of P. delavayi primarily contained peonidin-3, 5-glucosides (Pn3G5G). Zhou et al. (2011) investigated the pigment composition of the yellow petals of

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Ning Shi, Xiaojing Liu, Fengfeng Du, Yajun Chang, Naiwei Li, Yuesheng Ding, and Dongrui Yao

China, N. nucifera has been cultivated for ≈3000 years resulting in a diversity of floral forms that include single, semidouble, double, duplicate-layered, and thousand-petaled, and flower colors that include white, pink, and red because of the lack of

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Ming-Chung Liu and Der-Ming Yeh

pollen source did not alter fruit set ( Fig. 1H–I ), number of hybrid seeds per fruit, and seed germination rate ( Table 1 ). Pollen of petal-like stamens in doubled-flowered amaryllis germinated as shown previously by Meerow (2000) and documented in

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Iftikhar Ahmad, John M. Dole, and Frank A. Blazich

harvest time, storage duration, and day of sampling on carbohydrates contents of stems, leaves, and petals or total sugars of ‘ABC Purple’ lisianthus, ‘Double Eagle’ African Gold Coin Series marigold, and ‘Deep Red’ Benary’s Giant Series zinnia. z Marigold

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Vlasta Cunja, Maja Mikulic-Petkovsek, Franci Stampar, and Valentina Schmitzer

, particularly vitamin C ( Hvattum, 2002 ; Roman et al., 2013 ). Fragrance compounds in rose petals are praised in perfumery and food industries ( Farooq et al., 2012 ). Similarly, rose leaves have been used in Chinese and European medicine for centuries as

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Shuyin Liang, Xuan Wu, and David Byrne

count (done in the laboratory) represents the number of normal petals and petaloids (irregular shaped petals). In rose, flower petal number is controlled by a major dominant allele for the double flower gene (Blfo). Therefore, only double

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Yunmi Park, Seok-Woo Lee, Soon-ho Kwon, and Hae Yun Kwon

this plant that have been developed worldwide ( Ha et al., 2013 ; Lee, 2013 ). The varieties of H. syriacus are categorized into single or double flowers depending on the number of petals and depending on the color patterns on the petals. They are

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Yuxin Chen, Zishuo Zhang, Kexin Wang, Lijin Ou, and Yan Ao

-resistant nature. ‘Yan Xia’ has a greater number of petals than other varieties of yellow-horn. The color of petals changes throughout the blooming period. ‘Yan Xia’ is taller and has a longer florescence than other varieties; it has a crucial role in urban

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Pei-Wen Kan, Yu-Ching Cheng, and Der-Ming Yeh

, and that double flower is dominant over single flowers. The double-flowered heterozygote occasionally has markedly fewer petals than the double-flowered homozygote of gloxinia ( Clayberg, 1975 ; Shalit, 2000 ). Double-flowered gloxinia cultivars with