TABLE 1 in Hymenocallis ruenesiana (Amaryllidaceae), a new species from the Yucatan Peninsula, Mexico

TABLE 1. Morphological comparison between Hymenocallis littoralis and Hymenocallis ruenesiana from the Yucatan peninsula.
CharacterH. littoralisH. ruenesianaHeight of the plant in anthesis70–120 cm35–40 (–45) cmLeaf shapeLorateLinearLeaf: length × width50–100 × 3.5–6 cm22–35 × 2–3 cmInflorescence1 per bulb2 per bulbScape length60–90 cm25–37.5 cmPerianth tube length13–15 cm9–11 cmMargin of the staminal cupDentateEntire with apiculate centerStaminal cup length2.5–3.3 cm1–1.2 cmStaminal cup diameter3–3.5 cm1.5–2 cmSeed: length × width2.5–3×1.5 cm1–1.7–0.8 cmHabitatCoastal dunesSavannas and dry forests with seasonally flooded soils