Zhū Sù 朱橚 (1361–1425), 5th son of Míngtàizǔ Zhū Yuánzhāng. Enfeoffed Prince of Zhōu 周王; later renamed Prince of Dìng 定王. Famed early-Míng botanist and pharmacognosist. Major works: Jiù huāng běn cǎo 救荒本草 (KR3d0006, 1406, the famine-emergency edible-plant pharmacopoeia, illustrating 414 plants) and Pǔ jì fāng 普濟方 (the world’s largest pre-modern medical formulary, 168 juan, 61,739 prescriptions). His agricultural-botanical work — undertaken during his exile to Yúnnán in 1389–1391 and his subsequent Kāifēng tenure — is methodologically pioneering in pre-modern Chinese applied botany. CBDB id 30174, dates 1361–1425.