Ghi chú nhận dạng và học tập

Đối chiếu thân vuông, lá đối, mép răng nông và hoa xanh tím hai môi xếp lệch một phía. Cây nhỏ có thể phân nhánh, lá dưới cuống ngắn. Khi khô, hoa/lá co lại nên màu không đủ nhận dạng. Hồ sơ dùng toàn cây, không chỉ rễ. Tránh nhầm S. barbata với Hoàng cầm S. baicalensis; cùng chi nhưng khác loài. Ban Zhi Lian is Scutellaria barbata, not Baikal skullcap (S. baicalensis) and not every plant sold as skullcap. The square stem, opposite leaves, one-sided blue-purple flowers, and whole-plant material are useful comparison points. Color alone is unreliable because flower color changes with age and illustrations simplify morphology. HKBU’s habitat is moist field margins and paddy edges; waterlogged or sprayed sites are poor study sources. The source’s propagation and harvest notes differ for seed-grown versus vegetatively propagated plants, so one calendar cannot be applied to every garden. Traditional references include serious disease names, but a botanical record or laboratory study does not show that this whole herb treats cancer or hepatitis. Pregnancy cautions and medication use deserve attention; do not build a cancer protocol from a formula record. For a field notebook, note whether the sample is S. barbata, plant part, flower stage, growing source, and whether the claim is traditional, preclinical, or clinical. Those distinctions prevent common-name overlap from turning into unsafe substitution. An important cross-check is to compare Ban Zhi Lian with similarly named Scutellaria herbs in a source’s Latin field, not just the Chinese name. Scutellaria barbata’s whole plant, flower form, and harvest record differ from other skullcaps. A formula’s co-occurrence does not prove a cancer benefit or an ideal ratio. The page’s warning about pregnancy and medication use should be read alongside the traditional classification, not hidden behind it. For cultivation study, document the propagation method because the source gives different harvest timing for seed-grown and vegetatively propagated stock. That timing is agronomic only; it is not a safe-use clearance.