
Dryopteris Oligodonta
dryopteris oligodonta
Dryopteris oligodonta, commonly known as the Canary Island wood fern, is a majestic and robust fern endemic to the unique Macaronesian archipelago. It is a defining feature of the humid laurel forests (laurisilva) and fayal-brezal woodlands of the Canary Islands, where it thrives in the deeply shaded, moist environments of volcanic ravines. This ancient plant species acts as a living link to the tertiary flora that once dominated the Mediterranean basin before the last ice age. Growing from a sturdy, creeping rhizome, this fern produces spectacular arches of lush green fronds that can reach up to two meters in height. It plays a vital ecological role in its native habitat, capturing moisture from the passing trade-wind clouds and providing shelter for a multitude of forest floor invertebrates.
生息地: Found in humid, deep volcanic ravines and under the dense evergreen canopy of Macaronesian laurel forests.
外見
This large, evergreen fern features bipinnate to tripinnate fronds that are broad, triangular, and bright to deep green. The fronds can reach lengths of 100 to 200 centimeters. A key identification feature is the dense covering of golden-brown, paper-like scales along the petiole and the central stalk. On the undersides of mature pinnules, dual rows of circular spore-producing sori can be seen, each protected by a distinct kidney-shaped membrane called an indusium.

カテゴリ
植物レア度
Common
危険度
1/5 · 非常に低い
スナップ
最初にスナップしよう!
おもしろい事実
Dryopteris oligodonta is a Tertiary relic, meaning it belongs to a plant lineage that has survived largely unchanged for millions of years.
Some individual fronds can grow so large that they sweep the forest floor, acting as natural traps for falling organic debris which decomposes and feeds the fern.
The dense, golden-brown scales covering its stalks act like a sponge, trapping humidity and creating a tiny micro-habitat for microscopic organisms right on the plant.
特殊能力
Annulus Catapult
Uses a specialized ring of cells around its sporangia that bends and snaps with moisture changes to forcefully catapult spores into the wind.
Lush Scale Armor
Rhizomes and stems are densely covered in golden-brown scales that help retain moisture and protect the delicate growing tips from herbivores.
Deep Shade Photosynthesis
Possesses highly efficient chloroplast arrangements that allow the plant to harvest low-intensity sunlight filtering through dense forest canopies.
サイズと詳細
- 長さ
- 100-200 cm
- 寿命
- 10-50 年
食性と食事
As a photosynthetic plant, it generates its own energy from sunlight, water, and carbon dioxide, while absorbing essential minerals from the moist forest soil.
主な食物
- Sunlight
- Water
- Carbon Dioxide
- Soil Minerals
採餌方法
- Photosynthesis
生態系とのつながり
Canary Laurel
Laurus novocanariensis
Grows under the protective canopy and humid microclimate created by this dominant forest tree.
Canary Land Snail
Canariella canariensis
Endemic land snails feed on the decomposing fallen fronds of the fern on the humid forest floor.
特徴
このオブジェクトにはまだ特徴バッジが割り当てられていません。
別名
まだ別名はありません。
コレクション
テーマが追加されると、このオブジェクトのコレクションがここに表示されます。
安全性
危険度
1/5 · 非常に低い
まだ特別な安全上の注意はありません。
よくある質問
Dryopteris Oligodontaを見分けるには?
Dryopteris Oligodontaを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。
Dryopteris Oligodontaの長さは何ですか?
100-200 cm
Dryopteris Oligodontaの寿命は何ですか?
10-50 年
Dryopteris Oligodontaは何を食べますか?
As a photosynthetic plant, it generates its own energy from sunlight, water, and carbon dioxide, while absorbing essential minerals from the moist forest soil.
Dryopteris Oligodontaは通常どこに生息していますか?
Found in humid, deep volcanic ravines and under the dense evergreen canopy of Macaronesian laurel forests.
Dryopteris Oligodontaはどのように狩りをしますか?
Photosynthesis
スナップマップ
ズームインしてクラスターを分割し、このオブジェクトが撮影された場所を探索しましょう。
最近のスナップ
新しい観察が追加されると、ここに最近のスナップが表示されます。














