Bigcone Douglas-Fir
探検植物
Bigcone Douglas-Fir
pseudotsuga macrocarpa
The Bigcone Douglas-Fir is a majestic and highly resilient evergreen conifer endemic to the rugged mountain ranges of Southern California. Standing tall against dry climates and steep terrains, this unique tree is a vital component of chaparral and montane mixed-forest ecosystems. Unlike many other conifers that succumb quickly to wildfires, the bigcone Douglas-fir has developed a remarkable ability to regenerate, helping it endure the region's frequent fire cycles. It serves as an ecological anchor, providing crucial shelter and nourishment for local wildlife. Finding one of these ancient sentinels on a rocky canyon slope is a breathtaking experience, offering a glimpse into California's botanical history.
生息地: Found on steep, rocky slopes and moist canyon floors within the montane coniferous forests and chaparral zones of Southern California.
外見
This medium to large tree typically grows between 15 to 44 meters tall, featuring a broad, open crown with long, sweeping horizontal branches. Its bark is exceptionally thick, dark brown, and deeply furrowed into rugged ridges, which helps protect the inner layers from heat. The needles are short, needle-like, and colored a soft blue-green to dark green, measuring about 2 to 5 centimeters. The most distinguishing feature is its massive, heavy cones, which can reach 10 to 18 centimeters in length, complete with thick scales and distinctive three-pointed bracts that protrude conspicuously.
界Plantae門Tracheophyta綱Pinopsida目Pinales科Pinaceae属Pseudotsuga
カテゴリ
植物レア度
Common
危険度
1/5 · 非常に低い
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おもしろい事実
The bigcone Douglas-fir produces the largest cones of any Douglas-fir species, dwarf-ing those of its more famous cousin, the coast Douglas-fir.
The oldest known living specimen was verified to be over 620 years old, persisting through centuries of environmental shifts.
This species can survive fires that completely defoliate its canopy, growing entirely new branches from beneath its thick bark.
特殊能力
能力
Fire Survival Resprouting
Unlike most other conifers, this species can resprout from epicormic buds along its trunk and branches after a fire has damaged its foliage.
能力
Drought-Hardy Rooting
Features a deep, extensive taproot system designed to anchor securely in steep, unstable rocky slopes and access deep subterranean water sources.
能力
Gigantic Protective Cones
Produces massive, heavy, thick-scaled cones that protect its large seeds from heat and premature foraging until they are fully mature.
サイズと詳細
- 長さ
- 1500-4400 cm
- 体重
- 1000-20000 kg
- 寿命
- 100-620 年
食性と食事
As a photosynthetic plant, the bigcone Douglas-fir produces its own food using sunlight, water, and carbon dioxide.
主な食物
- Sunlight
- Water
- Carbon dioxide
- Soil minerals
生態系とのつながり
eaten by
California Ground Squirrel
Otospermophilus beecheyi
The large, nutritious seeds of the bigcone Douglas-fir are a critical food source for small mammals like the California ground squirrel.
mutualism
Canyon Live Oak
Quercus chrysolepis
Often associates closely with canyon live oak, which provides shade and microclimate protection for fragile young seedlings.
特徴
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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
Bigcone Douglas-Firを見分けるには？
Bigcone Douglas-Fir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。
Bigcone Douglas-Firの長さは何ですか？
1500-4400 cm
Bigcone Douglas-Firの体重は何ですか？
1000-20000 kg
Bigcone Douglas-Firの寿命は何ですか？
100-620 年
Bigcone Douglas-Firは何を食べますか？
As a photosynthetic plant, the bigcone Douglas-fir produces its own food using sunlight, water, and carbon dioxide.
Bigcone Douglas-Firは通常どこに生息していますか？
Found on steep, rocky slopes and moist canyon floors within the montane coniferous forests and chaparral zones of Southern California.
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