Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
surcŭlōsus, a, um, adj. [surculus], woody, like wood, ligneous: radices, Plin. 19, 6, 31, § 98: herba, id. 24, 15, 87, § 137: ramuli, id. 27, 11, 74, § 98.
* Adv.: sur-cŭlōsē, like wood: arescit herba, Plin. 18, 16, 43, § 148.