Read about Primula sphaerocephala in the Standard Cyclopedia of Horticulture
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Primula sphaerocephala, Balf. f. & Forr. Much like P. capitata, with small globular heads, the fls. purplish inside, not annulate, bracts fimbriate: delicately perfumed. S. W. China. This and No. 120 are distinguished from No. 119 by the much smaller corolla-limb and more globular heads.
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