枸 ⇒
枸 gōu/gǒu/jǔ, bent/crooked, Chinese wolfberry (Lycium chinense), Citrus medica
枸杞 gǒuqǐ, wolfberry (Lycium chinense)/genus Lycium
杞 ⇒
杞人忧天 Qǐrényōutiān, [杞人憂天], man of Qǐ fears the sky falling (idiom); groundless fears
枸杞 gǒuqǐ, wolfberry (Lycium chinense)/genus Lycium