Biologia, morfologia floral e potencial ornamental de Cyrtopodium saintlegerianum (Orchidaceae)

Hunhoff, Viviane Luiza; Silva, Celice Alexandre; Lage, Laís Alves; Krause, Willian; Palú, Ednamar Gabriela

doi:10.18227/1982-8470ragro.v10i4.3925

Cited by 2 publications

(4 citation statements)

References 5 publications

(6 reference statements)

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“…Cyrtopodium hatschbachii and C. paludicolum are self‐compatible, non‐apomictic species, and dependent on biotic pollination, as recorded for C. polyphyllum (Liu & Pemberton, ; Pansarin et al, ) and C. punctatum (Dutra et al, ; Pemberton & Liu, ). However, fruit set was quite low, which seems to be typical of the genus, as observed for terrestrial C. polyphyllum (Liu & Pemberton, ; Pansarin et al, ) and C. punctatum (Dutra et al, ; Pemberton & Liu, ), and the epiphytic C. saintlegerianum (Hunhoff, Silva, Lage, Krause, & Palú, ). In this context, additional rain‐assisted selfing may be important to improve reproductive success of the studied Cyrtopodium species.…”

Section: Discussionmentioning

confidence: 80%

On the low reproductive success of two Cyrtopodium species (Orchidaceae: Cyrtopodiinae): The relative roles of biotic and abiotic pollination

Maciel

Cardoso

Oliveira

2019

Plant Species Biology

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Rewardless orchid species are pollinated by deception and have reduced reproductive success. Those species that present self‐compatibility followed by alternative mechanisms of autogamy may compensate for such episodic allogamy events. This is the case for rain‐assisted self‐pollination, a rare mechanism in Orchidaceae. In this study, we investigated the reproductive biology of two terrestrial species: Cyrtopodium hatschbachii and C. paludicolum. We studied their reproductive systems, examined pollinators and male and female successes, and ascertained if rain promotes self‐pollination. Both species are allogamous but self‐compatible. However, natural fruit set is low, not exceeding 1.40% during 4 years of observation. This may result from the reduced frequency of pollinator visitation followed by a high pollinator specificity, because each species was pollinated by a single specialist bee. Although spontaneous selfing did not occur, we verified fruits formed by rain action. The evaporation of the water droplet that accumulates on stigma helps the pollinarium to slip back, promoting selfing. This occurred in approximately 10% of C. hatschbachii fruits, but in C. paludicolum it was recorded only once during three observation years. This indicates that the phenomenon happens at random and may vary temporally. Nevertheless, rain may confer additional fruit set, especially under circumstances of pollinator limitation. Overall, we confirmed deception as a strategy for this understudied genus. In addition, we report a further two cases of rain‐assisted self‐pollination for Cyrtopodium, for species from the center of diversity of the genus, indicating that it may be more widespread than previously thought.

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Section: Discussionmentioning

confidence: 80%

On the low reproductive success of two Cyrtopodium species (Orchidaceae: Cyrtopodiinae): The relative roles of biotic and abiotic pollination

Maciel

Cardoso

Oliveira

2019

Plant Species Biology

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“…and with the particular attributes of each plant, such as the effect of flowers or showy foliage (Antônio, 2013). The results of flowering characteristics obtained for S. crispa, associated with its floral characteristics, suggest that the length and durability of inflorescence and flowers, combined with color, length and number of flowers produced per inflorescence, are ornamental characteristics that provide a greater attractiveness and that can be used in the sector of ornamental horticulture and landscaping (Hunhoff et al, 2016).…”

Section: Resultsmentioning

confidence: 96%

“…In ornamental horticulture, the study of these characteristics is important for cultivation, mainly commercial cultivation. They can define the spacing between plants, pot length, and crop management (Hunhoff et al, 2016). In addition, epiphytes can be widely used in vertical gardens.…”

Section: Resultsmentioning

confidence: 99%

“…f. & Warm., C. bowringiana O'brien and Oncidium pumillum Lindl., have flowers that last between ten and 15 days, and 15 days and ten days, respectively (Cardoso and Israel, 2005;Colombo et al, 2017). Some aspects are important for the choice of plants for landscaping, such as inflorescences that stand out, flowers with a long flowering period, and the maintenance of these aspects for more than 30 days (Pinheiro et al, 2012;Hunhoff et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

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Ornamental potential of Schomburkgia crispa Lindl.

et al. 2021

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Orchids are one of the groups of plants with the greatest commercialization potential. They have floral characteristics highly valued in the sector of flowers and ornamental plants. However, exotics species are the most commercialized. The native species are still little explored for their ornamental potential. Thus, this work describes the vegetative and floral morphological characteristics of Schomburgkia crispa Lindl. aiming at evaluating its ornamental potential. For such, seven individuals were chosen. The quantitative characters were evaluated in all plants, totaling fifty pseudobulbs and eighty-eight flowers. During flowering, the most representative plant was chosen for the visual evaluation of its morphological features through photographs. A floral diagnosis sheet based on photos of fresh flowers was prepared by keeping the maximum level of morphological details. At the end of the experimental period, averages and standard deviations were calculated for each character evaluated. The species S. crispa presented, on average, plants 46.17 cm long, 31.50 cm wide, and with 88 cm of diameter. For flowering characters, the species presented in general 16.50 flowers per plant, 14.67 per flower stem, and 4.66 flowers opened per day, with an average durability of 32 days. Thus, we conclude that the species S. crispa has a great ornamental potential for use in ornamental horticulture.

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Biologia, morfologia floral e potencial ornamental de Cyrtopodium saintlegerianum (Orchidaceae)

Cited by 2 publications

References 5 publications

On the low reproductive success of two Cyrtopodium species (Orchidaceae: Cyrtopodiinae): The relative roles of biotic and abiotic pollination

On the low reproductive success of two Cyrtopodium species (Orchidaceae: Cyrtopodiinae): The relative roles of biotic and abiotic pollination

Ornamental potential of Schomburkgia crispa Lindl.

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