Cytopalynological studies in Zanonia indica (Cucurbitaceae), a monotypic genus

  title={Cytopalynological studies in Zanonia indica (Cucurbitaceae), a monotypic genus},
  author={Manoj Madhwanand Lekhak and Pradnya B. Yadav and Usmangani Abdul Attar and Kishore Shankarsinh Rajput and Savaliram G. Ghane},
  journal={The Nucleus},
  pages={105 - 109}
This paper presents first cytogenetical analysis of a monotypic genus, Zanonia indica (Cucurbitaceae). The diploid chromosome number was 2n = 2x = 30. Male meiosis was normal and revealed 15 bivalents at diakinesis. Karyotype was symmetrical (Stebbins’s 4a category). All chromosomes possessed median centromere. Chromosome length ranged from 1.10 ± 0.14 µm to 1.98 ± 0.33 µm. Mean chromosome length (MCL) was 1.47 ± 0.24 µm. Pollen grains were tricolporate and prolate with P/E ratio 1.49. 

Karyomorphological and SEM studies in newly discovered populations of a critically endangered medicinal plant — Lilium polyphyllum D. Don ex Royle from a high altitude protected area of north‐western Himalaya

The status of L. polyphyllum to be critically endangered in the study area is confirmed with the previous reports from Kashmir Himalaya.