A new Gladiolus (Iridaceae) species from East Anatolia (Turkey): Gladiolus hamzaoglui

Gladiolus hamzaoglui (Iridaceae) is described and illustrated as a new species from Erzincan province in Eastern Anatolia, Turkey. It resembles G. halophilus by its secund inflorescence, obovoid fruit, and winged seed, and is related to G. anatolicus based on its leaf and flower features. Also it is compared to G. illyricus because of having some leaf, flower features, and winged seed characteristics. Its distribution, habitat and ecology, etymology, conservation status and diagnostic morphological, and taxonomic features with familiar species are discussed in this paper. Additionally, pollen and seed micromorphological characteristics of G. hamzaoglui, G. halophilus, and G. anatolicus are examined and compared using LM and SEM analyses. IUCN conservation status of G. hamzaoglui is suggested as Endangered (EN) category.

Seed and Germination Study of a New Guinea Endemic Plant Species Grevillea papuana Diels.

Grevillea papuana is a culturally important endemic plant species of New Guinea highland. Although G. papuana conservation and propagation attempts were already conducted, this species seed and germination characters information were still very limited. This study aimed to provide information regarding G. papuana seed and germination biology. Seed characteristic and germination trials were conducted in this study. Data analysis was conducted descriptively, while germination parameters were also calculated. G. papuana has a light, elliptic, and winged seed. The species germination was low and ununiform with phanerocotylar epigeal foliaceous (PEF) seedling functional type.

The genus Dolichandrone (Fenzl.) Seem. (Bignoniaceae) in Thailand

Boonthasak W, Ngernsaengsaruay C. 2021. The genus Dolichandrone (Fenzl.) Seem. (Bignoniaceae) in Thailand. Biodiversitas 22: 1120-1128. Morphological, anatomical, and palynological studies of the genus Dolichandrone (Bignoniaceae) Thailand were conducted. Three species, D. columnaris Santisuk, D. serrulata (Wall. ex DC.) Seem., and D. spathacea (L. f.) Seem. were investigated. Morphological descriptions, distributions and ecological information are provided. A key to the species based on morphological characters are leaflet margins, length of lower cylindric tube and upper campanulate tube of corolla, width of upper campanulate tube of corolla, winged seed, shape and characters of fruits, width of septum, characters and width of pseudoseptum. D. columnaris occurs in low-lying rice fields and marshlands only in the peninsular region. D. serrulata occurs in mixed deciduous forest and low-lying rice fields in the eastern, central and peninsular regions. D. spathacea occurs in edges of mangrove forest in the central, south-eastern and peninsular regions. A key to the species based on anatomical characters includes leaf type, number of rows of palisade cells, arrangement of axial parenchyma, and height of ray parenchyma. All pollen grains are similar and do not provide characters for identification within the genus Dolichandrone.

Pinus daflaensis (Pinaceae), a replacement name for P. arunachalensis Khan & Bera

The fossil species Pinus arunachalensis Khan & Bera (04 July, 2017: 4) was described on the basis of winged seed remains from the middle to late Miocene Siwalik sediments of the Dafla Formation exposed around West Kameng district in Arunachal Pradesh, eastern Himalaya. So far, the report provided the first ever fossil record of Pinus winged seeds from the Indian Cenozoic. However, the name P. arunachalensis Khan & Bera is an illegitimate later homonym of P. arunachalensis Srivastava (06 May, 2017: 86) (Art. 53.1 of the ICN, McNeill et al., 2012) (see also IFPNI, Doweld 2016). The latter name was used by a new extant species of Pinus Linnaeus (1753: 1000) from Arunachal Pradesh.