Lō-chí si̍t-bu̍t

?Lō-chí si̍t-bu̍t gymnosperm
Pe̍h-hûn-sam ê chiam-hio̍h
Hoà-chio̍h hoān-ûi
370–0 Ma PreЄ Є O S D C P T J K Pg N Nî-phûn-kí - chit-má
Seng-bu̍t-ha̍k hun-lūi
Kài: Si̍t-bu̍t A-kài: Iú-phoe si̍t-bu̍t
Mn̂g
Chhêng-peh-mn̂g Pinophyta Gîn-hēng-mn̂g Ginkgophyta So͘-thih-mn̂g Cycadophyta Bé-bâ-têng-mn̂g Gnetophyta †Chéng-chí-koeh-mn̂g Pteridospermatophyta

Lō-chí si̍t-bu̍t (裸子植物; gymnosperm) sī chéng-chí si̍t-bu̍t tiong ê chi̍t lūi. Chit-khoán si̍t-bu̍t ê te̍k-teng sī phoe-chu ūi-tī chi̍t phìⁿ khai-hòng ê hio̍h-á téng. Lō-chú si̍t-bu̍t lóng-chóng ū 6 ê mn̂g, tāi-iok 14 ê kho 88 ê sio̍k kap chhiau-kòe 1000 ê chéng. Lō-chí si̍t-bu̍t ē sán-seng pau-chí, ū hoat-tián chò hoe-hún ê sió-pau-chí kap lâu tī phoe-chu lāi ê tōa-pau-chí 2 chióng. Tī siū-cheng liáu-āu, iā-chiū-sī tōa-pau-chí chham sió-pau-chí kiat-ha̍p, hêng-sêng ê phoe-gê ē chham kî-thaⁿ sè-pau cho͘-sêng phoe-chu, pēng hoat-tián chò chéng-chí.