Ghi chú nhận dạng và học tập

Lá chia chân vịt dạng ô và mo sọc xanh tím là dấu cây sống; cuống đôi khi đốm. Củ đã chế hình cầu dẹt, có sẹo thân lõm và nhiều vết rễ, mặt cắt trắng bột. Tuyệt đối không sờ/nếm củ sống hoặc dùng ảnh để tìm cây. Thành phẩm có thể từ hai loài Arisaema; cần chuyên luận, nhãn và kiểm nghiệm. Tian Nan Xing is an Arisaema tuber materia that demands part-specific and processing-specific labels. The plant image shows Arisaema erubescens, while a materia standard may accept more than one Arisaema source; a striped spathe, divided leaf, and underground tuber are observation points, not proof that a raw tuber is safe. Raw material can irritate the mouth, eyes, and skin, and dust should not be inhaled. Processing is a controlled professional operation; the profile deliberately does not give a home detoxification or preparation method. Autumn harvest when foliage yellows is a source note for professional supply, not a reason to dig a plant. Historical formulas using processed tuber do not establish a personal dose or safe ratio. Keep raw and processed reference materials locked, labeled, and physically separated from food and ordinary herbs. If exposure causes burning, swelling, vomiting, or breathing difficulty, seek urgent medical or poison advice; do not try to neutralize it with another herb. A teaching label for Tian Nan Xing should say “toxic tuber—professional processing only.” This is more informative than simply writing the common name. The spathe and divided leaf help explain Arisaema morphology, but they do not distinguish every accepted source or certify a processed batch. Avoid touching sap or creating dust from a dried specimen. Formula ratios from classical texts are not a home-use standard; the page deliberately leaves them in source context and avoids a detoxification recipe. Use the profile to learn the identity and the boundary between botanical observation and medicinal processing.