(Upload on December 21 2015) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Agavaceae (リュウゼツラン科) > Agave americana
[Engler's syllabus (エングラー体系)]
Cronquist: Liliaceae Sometimes separated into more families Agavaceae Agave, Beschorneria, Furcraea, Hesperaloe, Littaea, Manfreda, Polianthes, Prochnyanthes, Yucca Doryanthaceae, established by APG Doryanthes |
Dracaenaceae, merged into Asparagaceae by APG III Dracaena, Sanseviera Phormiaceae: merged into Hemerocallidaceae (キスゲ) → into Xanthorrhoeaceae (ススキノキ) by APG III Agrostocrinum, Corynotheca, Dianella, Excremis, Phormium, Stypandra, Thelionema |
Asteliaceae, established by APG Cordyline, Astelia, Collospermum, Milligania, Neoastelia Nolinaceae (スズラン), merged into Asparagaceae by APG III Beaucarnea, Nolina, Dasylirion Distribution: arid regions in tropical and subtropical zones (no native species in Japan) |
A. americana L. (アオノリュウゼツラン) A. attenuata Salm-Dyck (ハツミドリ) A. fourcroydes Lem. (ヘネケン) |
A. potatorum Zucc. (ライジン) A. sisalana Perrine ex Engelm. (サイザル) A. stricta Salm-Dyck (フキアゲ) |
A. tequilana Weber (テキーラーリュウゼツラン) A. victorae-reginae T. Moore (ササノユキ) |
Aonoryuuzetsuran (アオノリュウゼツラン, 青ノ龍舌蘭), centuryplant or American aloe Life form: succulent, evergreen, perennial forb ≈ 3 m tall (real longevity is 10-30 years) Distribution: Mexico, Arizona, and Texas Habitat: various habitats, e.g., cliffs, urban areas, woodlands, grasslands, riparian zones, beaches and sandy areas, and rocky slopes Leaf: characterized by gray-green Use: ornamental (drought-tolerant) |
cv. marginata (リュウゼツラン), with yellow stripes along the margins of each leaf |
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[1-3] in Hama-rikyu Gardens, Tokyo, on November 13 2015.