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Table 2 Boechera accessions, including ovule and anther stage-specific developmental characteristics

From: Selection of reference genes for quantitative real-time PCR expression studies of microdissected reproductive tissues in apomictic and sexual Boechera

Speciesa ID Collection locality Reproductionb Ovule-anther stagec Ovule developmentd Anther stageg Anther developmentg
B. stricta MT49 Sagebrush Meadow, MT Sex a Nucellus 7-8 Premeiotic PMC
     b MMCe formation 9-10 Meiotic PMCf
     c Tetrad to degeneration 11 Microspore formation
     d Fertilised ovules   
B.divaricarpa MT15 Vipond Park, MT Apomixis a Nucellus 7-8 Premeiotic PMC
     b MMCe formation 9-10 Meiotic PMC
     c Tetrad to degeneration 11 Microspore formation
     d Fertilized ovules   
  1. a Species identification were based upon silique orientation, trichome morphology, and cpDNA sequences [40]
  2. b Reproductive mode was confirmed using the flow cytometric seed screen [8, 41]
  3. c See Figures 1 and 2 for images of each stage.
  4. d According to Schneitz et al [38]
  5. e MMC: Megaspore mother cell
  6. f PMC: Pollen mother cell stage
  7. g According to Armstrong et al.[29]