TABLE 1. Morphological comparison between Tillandsia alcatrazensis, T. geminiflora, T. gardneri and T in Tillandsia alcatrazensis (Bromeliaceae), a new endemic species from Alcatrazes Island in southeastern Brazil

TABLE 1. Morphological comparison between Tillandsia alcatrazensis, T. geminiflora, T. gardneri and T. globosa. Morphological traits, measures and lifestyles were obtained from literature. TraitsT. alcatrazensisT. geminifloraT. gardneriT. globosaLifestylerupicolous / epiphyticepiphyticrupicolous / epiphyticepiphyticPlant height21–34 cm12–20 cm12 –25 cm12–17 cmLeaf length8.6–20 cm6–20 cm13–25 cm20 cmLeaf colorvinaceous, greenish cinereousgreen, reddishsilveryGreenPeduncle length11–15 cm15 cm6–12 cm6–8 cmInflorescence length of fertile part6.5–11 cm3–8 cm4–6 cm4–6 cmFlower length3 cm1.8–2 cm1.8 cm1.8–2 cmFlowers per branch2–5 cm2–4 cm2–3 cm2–4 cmFloral bract length1.5–2.5 cm1–1.6 cm1.2–1.7 cm1.2–1.5 cmSepal length1.4–2 cm1.2–1.5 cm1–1.5 cm1.2–1.5 cmSepal colorreddish-salmonpinkpinkpinkPetal colorwhitepink-salmonpinkpink to whitePetal length2.3–2.8 cm1.6 cm1.4–1.8 cm1.5–2.2 cmStamen length1.7 cm1.0 cm0.9 cm1.1 cmStyle length2 cm0.7 cm0.8 cm0.6 cm表1 阿尔卡特拉斯铁兰（Tillandsia alcatrazensis）、双花铁兰（Tillandsia geminiflora）、加德纳铁兰（Tillandsia gardneri）与球花铁兰（Tillandsia globosa）的形态学比较。本研究中的形态学性状、测量数据及生活型均引自文献。 性状 阿尔卡特拉斯铁兰（Tillandsia alcatrazensis） 双花铁兰（Tillandsia geminiflora） 加德纳铁兰（Tillandsia gardneri） 球花铁兰（Tillandsia globosa） 生活型 岩生/附生 附生 岩生/附生 附生 植株高度 21–34 cm 12–20 cm 12–25 cm 12–17 cm 叶长 8.6–20 cm 6–20 cm 13–25 cm 20 cm 叶色 酒红褐色，灰绿色调 绿色，带红褐色 银灰色 绿色 花序梗长 11–15 cm 15 cm 6–12 cm 6–8 cm 可育花序段长度 6.5–11 cm 3–8 cm 4–6 cm 4–6 cm 花长 3 cm 1.8–2 cm 1.8 cm 1.8–2 cm 每分枝着花数 2–5 2–4 2–3 2–4 花苞片长 1.5–2.5 cm 1–1.6 cm 1.2–1.7 cm 1.2–1.5 cm 萼片长 1.4–2 cm 1.2–1.5 cm 1–1.5 cm 1.2–1.5 cm 萼片颜色 红鲑色 粉红色 粉红色 粉红色 花瓣颜色 白色 粉鲑色 粉红色 粉红色至白色 花瓣长 2.3–2.8 cm 1.6 cm 1.4–1.8 cm 1.5–2.2 cm 雄蕊长 1.7 cm 1.0 cm 0.9 cm 1.1 cm 花柱长 2 cm 0.7 cm 0.8 cm 0.6 cm