Abstract
Many species of Zingiber have great ornamental potential, due to durability and exotic appearance of the inflorescences. Despite its large phenotypic variability, they are scarcely exploited or not yet exploited regarding the ornamental potential. To conserve potential ornamental genotypes, and subsidize breeding program, the Agronomic Institute (IAC) maintain a Germoplasm Collection of Ornamental Zingiberales with promising accessions, including Zingiber. The aim was the morphophenological characterization of ten Zingiber accessions and the indication for landscape purposes. A large variation was observed to the evaluated characters: Clump height (CH); Inflorescence visualization (IV); Clump area (CA); Clump density (CD); Leaf stem Firmness (LSF); Number of leaf stems per clump (NLSC); Number of leaves per stem (NLS); Leaf color (LCol); Evergreen tendency (ET); Flower stem growth (FSG); Flower stem length (FSLe); Flower stem diameter (FSD); Flower stem per clump (FSC); Color sensorial perception (CSP); Flower stem weight (FSW); Inflorescence length (IL); Inflorescence diameter (ID); Bracts aspects (BAs); and Flowering season (FSe). The accessions very suitable and with the best performance to use for landscape purpose were Z. spectabile, IAC Anchieta (Z. spectabile), Z. newmanii.
Highlights
Zingiber is one of the most important genera of the ginger family (Zingiberaceae) but the real number of species is not known. Kishor and Leong-Skornicková (2013) described more than 250 species
Orange, or yellow, closely imbricate or with the apices free, forming small bags filled up with mucilage, comprising a single cincinnus. These exotic appearance of the inflorescences, flowering characterized by many flower stems breaking the ground, the architecture and the typical ginger aroma are positive aspects to be explore in landscape
Three Clumps aged 3 years, distributed randomly and maintained in the field at full sun condition of the following accessions were evaluated during a year: Z. spectabile; Instituto Agronômico (IAC) Anchieta (Z. spectabile); IAC Angatu (Z. spectabile); Z. zerumbet; IAC Almada (Z. spectabile x zerumbet); IAC Suanno (Z. spectabile x zerumbet); Z. macradenium; Z. newmanii; Z. ottensii; and Z. pachysiphon
Summary
Zingiber is one of the most important genera of the ginger family (Zingiberaceae) but the real number of species is not known. Kishor and Leong-Skornicková (2013) described more than 250 species. Govaerts et al (2015), after discarding synonyms, confirmed only 177 valid species. These plants are herbaceous and aromatic living originally in humid regions of the tropical to warmtemperate Asia. Orange, or yellow, closely imbricate or with the apices free, forming small bags filled up with mucilage, comprising a single cincinnus. These exotic appearance of the inflorescences, flowering characterized by many flower stems breaking the ground, the architecture and the typical ginger aroma are positive aspects to be explore in landscape
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