TABLE 1 in Philodendron josephii (Araceae), a new species from central Amazonia, Brazil

TABLE 1. Comparison of vegetative and reproductive characters showing morphological differences among Philodendron josephii, Philodendron maximum and Philodendron megalophyllum. CharactersP. josephiiP. maximumP. megalophyllumCataphyll persistencedeciduouspersistentmarcescentPetiole consistencydensespongysemi-spongySinus length5.0–7.524–327–28Spathe length19.0–27.58–1712.0–15.5Spadix length18.0–25.87–1515PlacentationaxileaxilebasalOvule insertionup to the middlethroughout septumbasalLocules number8–125–64–5Ovules per locule12–14multiovulateuniovulateFunicle lengthas long as ovulesmaller than ovulesmaller than ovule表1 约瑟夫喜林芋（Philodendron josephii）、大花喜林芋（Philodendron maximum）与大叶喜林芋（Philodendron megalophyllum）的营养与繁殖性状比较，旨在展示三者间的形态差异。 | 性状 | P. josephii | P. maximum | P. megalophyllum | | :---: | :---: | :---: | :---: | | 鳞叶宿存性 | 脱落 | 宿存 | 凋存 | | 叶柄质地 | 致密 | 海绵质 | 半海绵质 | | 湾缺长度 | 5.0–7.5 | 24–32 | 7–28 | | 佛焰苞长度 | 19.0–27.5 | 8–17 | 12.0–15.5 | | 肉穗花序长度 | 18.0–25.8 | 7–15 | 15 | | 胎座式 | 中轴胎座 | 中轴胎座 | 基生胎座 | | 胚珠着生位置 | 着生至子房中部 | 沿隔膜全长着生 | 着生于基部 | | 子房室数 | 8–12 | 5–6 | 4–5 | | 每子房室胚珠数 | 12–14 | 多胚珠 | 单胚珠 | | 珠柄长度 | 与胚珠等长 | 短于胚珠 | 短于胚珠 |