A New World fern ( Osmunda cinnamomea) having narrow, spore-bearing, cinnamon-colored leaves in early spring, which are later encircled by wider, sterile green leaves.

  • 桂皮紫萁,普通肉桂蕨:新大陆的一种蕨(分株紫萁紫萁属),早春时有狭长的、带孢子的肉桂色叶子,稍晚为较宽的不育的绿色叶子所包围。

  • 互联网摘选 2025-01-20 18:47:04

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