Amanita ocreata

Ciri dan struktur

Amanita ocreata is generally stouter than the other fungi termed destroying angels. It first appears as a white egg-shaped object covered with a universal veil. As it grows, the mushroom breaks free, though there may rarely be ragged patches of veil left at the cap edges. The cap is initially hemispherical, before becoming more convex and flattening, sometimes irregularly. This may result in undulations in the cap, which may be between 5–15 cm in diameter. The colour varies from white, through yellowish-white to shades of ochre, sometimes with a brownish centre. Occasionally parts of the fruiting bodies may have pinkish tones. The rest of the fungus below the cap is white. The crowded gills are adnate to adnexed, or sometimes later free.

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Rujukan: [1]

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Habitat dan peran ekologis

Appearing from January to April, A. ocreata occurs later in the year than other amanitas except A. calyptroderma. It is found in mixed woodland on the Pacific coast of North America, from Washington south through California to Baja California in Mexico. It forms ectomycorrhizal relationships and is found in association with coast live oak (Quercus agrifolia), as well as hazel (Corylus spp.). In Oregon and Washington, it may also be associated with the Garry oak (Quercus garryana).

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Habitat atau konteks temuan

hutan

Substrat

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Peran atau konteks

Mitra tumbuhan

Reproduksi

Amanita ocreata, commonly known as one of the many destroying angels, or more precisely the western North American destroying angel, is a deadly poisonous basidiomycete fungus, one of many in the genus Amanita. The large fruiting bodies (the mushrooms) generally appear in spring; the cap may be white or ochre and often develops a brownish centre, while the stipe, ring, gill and volva are all white. A. ocreata resembles several edible species commonly consumed by humans, increasing the risk of accidental poisoning. Mature fruiting bodies can be confused with the edible A. velosa (springtime amanita), A. lanei or Volvopluteus gloiocephalus, while immature specimens may be difficult to distinguish from edible Agaricus mushrooms or puffballs.

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Catatan identitas dan cakupan

• Nama diterima mengikuti Catalogue of Life Base2026-09-11; uraian mempertahankan konsep dan nama sumber aslinya.
• Original geographic, specimen and life-cycle scope retained; source import awaits individual editorial review.
• Impor dan terjemahan otomatis belum diperiksa editorial per profil. Struktur reproduktif yang disebutkan tidak membuktikan seluruh siklus hidup diketahui.
• Pengukuran pada uraian mengikuti spesimen, kultur, dan metode sumber; angka tidak diperluas ke semua populasi.

Melihat dengan konteks

Dokumentasi Amanita ocreata menurut asosiasi foto pada record takson iNaturalist. Kredit: Thomas Laxton. Identitas mengikuti sumber; bukan penentuan spesimen independen.

Jenis

Fotografi

Kredit

(c) Thomas Laxton, some rights reserved (CC BY-SA), uploaded by Thomas Laxton

Lisensi

CC BY-SA 4.0

Sumber media

Buka entri sumber

Gambar menunjukkan objek menurut identifikasi sumber, bukan verifikasi independen spesimen oleh Fungi. Tidak ada skala baru yang ditambahkan.

Dokumentasi tambahan

Sumber profil

1. [1] Amanita ocreata — Wikipedia (en)Bagian sumber: Frozen revision 1377114016
   Tanggal penghimpunan sumber: 2026-10-12
   Teks sumber: CC BY-SA4.0 · Wikipedia contributors
2. [2] Catalogue of Life Base2026-09-11 — Amanita ocreataBagian sumber: ColDP NameUsage.tsv ID 65YZS; accepted species; source 2073
   Tanggal penghimpunan sumber: 2026-10-12
3. [3] Dokumentasi visual — Amanita ocreataBagian sumber: Identitas mengikuti sumber dokumentasi; bukan penentuan spesimen independen.
   Tanggal penghimpunan sumber: 2026-10-17
   Media sumber: CC BY-SA 4.0 · (c) Thomas Laxton, some rights reserved (CC BY-SA), uploaded by Thomas Laxton
4. [4] Dokumentasi visual — Amanita ocreataBagian sumber: Identitas mengikuti sumber dokumentasi; bukan penentuan spesimen independen.
   Tanggal penghimpunan sumber: 2026-10-17
   Teks sumber: CC BY 4.0 · (c) LJ Moore-McClelland, some rights reserved (CC BY), uploaded by LJ Moore-McClelland