K\u1ef3 nam l\u00e0 g\u00ec? C\u00f4ng d\u1ee5ng c\u1ee7a

K\u1ef3 nam l ph\u1ea7n g\u1ed7 ch\u1ee9a nhi\u1ec1u nh\u1ef1a th\u01a1m \u0111\u01b0\u1ee3c sinh ra t\u1eeb cây Dó B\u1ea7u \u2013 m\u1ed9t lo\u1ea1i cây xu\u1ea5t hi\u1ec7n nhi\u1ec1u trong các khu r\u1eebng gi c\u1ee7a Vi\u1ec7t Nam t\u1ea1i Qu\u1ea3ng Ngãi, Qu\u1ea3ng Nam, Khánh Hòa c\u1ee7a n\u01b0\u1edbc ta. Quá trình hình thnh k\u1ef3 nam c\u0169ng nh\u01b0 tr\u1ea7m h\u01b0\u01a1ng khá gi\u1ed1ng nhau v vô cùng k\u1ef3 di\u1ec7u. \u0110ó l quá trình \u0111\u1ec1 kháng, ch\u1ed1ng \u0111\u1ee1 t\u1ef1 nhiên c\u1ee7a cây Dó B\u1ea7u khi ch\u1ecbu các tác \u0111\u1ed9ng t\u1eeb t\u1ef1 nhiên ho\u1eb7c sinh v\u1eadt lm b\u1ecb th\u01b0\u01a1ng (nh\u01b0 thiên tai lm gãy cnh, b\u1ecb ch\u1eb7t \u0111\u1ee9t, b\u1ecb n\u1ee9t, m\u1ee5c hay ki\u1ebfn m\u1ed1i \u0111\u1ee5c thân lm t\u1ed5,\u2026).

Trong th\u1ef1c t\u1ebf, ng\u01b0\u1eddi ta th\u01b0\u1eddng tìm th\u1ea5y nhi\u1ec1u Tr\u1ea7m h\u01a1n K\u1ef3. Tuy có cùng ngu\u1ed3n g\u1ed1c hình thnh, nh\u01b0ng K\u1ef3 l th\u1ee9 Tr\u1ea7m H\u01b0\u01a1ng có nhi\u1ec1u tinh d\u1ea7u h\u01a1n, m\u1ea5t nhi\u1ec1u th\u1eddi gian hình thnh h\u01a1n v do v\u1eady m hi\u1ebfm g\u1eb7p h\u01a1n Tr\u1ea7m r\u1ea5t nhi\u1ec1u. M\u1ed9t cây Dó có K\u1ef3 ch\u1eafc ch\u1eafn sé có Tr\u1ea7m, th\u01b0\u1eddng \u0111\u01b0\u1ee3c tìm th\u1ea5y bao quanh ph\u1ea7n K\u1ef3. Nh\u1eefng c\u0169ng có nhi\u1ec1u cây Dó ch\u1ec9 cho Tr\u1ea7m m không có K\u1ef3.

Cây K\u1ef3 Nam \u2013 s\u1ea3n v\u1eadt \u0111\u1eaft h\u01a1n vng còn có nh\u1eefng tên g\u1ecdi khác nh\u01b0 gi nam h\u01b0\u01a1ng, nh\u1ef1 nam h\u01b0\u01a1ng, l\u1ee5c k\u1ebft, m\u1eadt k\u1ebft, s\u1ea1n h\u01b0\u01a1ng, h\u1ed5 ban kim ty k\u1ebft v k\u1ef3 nam h\u01b0\u01a1ng.

B\u1ea1ch K\u1ef3: l lo\u1ea1i K\u1ef3 có mu tr\u1eafng \u0111\u1ee5c, m\u1ec1m, m\u1ecbn v ch\u1ee9a hm l\u01b0\u1ee3ng tinh d\u1ea7u cao nh\u1ea5t. \u0110ây l lo\u1ea1i K\u1ef3 c\u1ef1c hi\u1ebfm v ít g\u1eb7p.

Thanh K\u1ef3: Có ánh xanh, m\u1ec1m khi ch\u1ee9a nhi\u1ec1u d\u1ea7u v h\u01a1i c\u1ee9ng n\u1ebfu ít d\u1ea7u.

Hong K\u1ef3: Có mu vng sáp ong, c\u1ee9ng v n\u1eb7ng

H\u1eafc K\u1ef3: \u0111en nh\u01b0 h\u1eafc ín, c\u1ee9ng v n\u1eb7ng

K\u1ef3 v Tr\u1ea7m có quá trình hình thnh t\u01b0\u01a1ng t\u1ef1 nhau, nh\u01b0ng K\u1ef3 Nam l\u1ea1i \u0111\u1eaft h\u01a1n Tr\u1ea7m H\u01b0\u01a1ng 10 \u2013 20 l\u1ea7n. \u0110ó l b\u1edfi vì K\u1ef3 v Tr\u1ea7m có nh\u1eefng \u0111i\u1ec3m khác nhau m b\u1ea1n c\u1ea7n bi\u1ebft \u0111\u1ec3 tránh nh\u1ea7m l\u1eabn.

Tr\u1ea7m th\u01b0\u1eddng có mùi h\u01b0\u01a1ng nh\u1eb9 nhng h\u01a1n, có mu nâu s\u1eadm, s\u1ecdc nâu \u0111en. Khi n\u1ebfm, Tr\u1ea7m h\u01b0\u01a1ng cho v\u1ecb \u0111\u1eafng. Khi cho vo n\u01b0\u1edbc, Tr\u1ea7m nh\u1eb9 nên n\u1ed5i trên b\u1ec1 m\u1eb7t, khi \u0111\u1ed1t thì cho mùi th\u01a1m d\u1ecbu v\u1edbi ln khói xoáy v nhanh chóng tan bi\u1ebfn trong không khí.

Trong khi \u0111ó, h\u01b0\u01a1ng th\u01a1m c\u1ee7a K\u1ef3 \u0111\u1eb7c bi\u1ec7t ngo ng\u1ea1t v r\u1ea5t d\u1ec5 nh\u1eadn ra dù \u0111\u01b0\u1ee3c gói b\u1ecdc k\u1ef9 l\u01b0\u1ee1ng. Khi n\u1ebfm K\u1ef3 cho v\u1ecb \u0111\u1eafng lúc \u0111\u1ea7u, sau \u0111ó l v\u1ecb ng\u1ecdt r\u1ed3i \u0111\u1ebfn chua v cay, l\u01b0\u1ee1i khi n\u1ebfm K\u1ef3 s\u1ebd có c\u1ea3m giác h\u01a1i the v tê.

Hi\u1ec7n nay có 4 lo\u1ea1i k\u1ef3 nam chính, bao g\u1ed3m:

Hong k\u1ef3: G\u1ed7 có s\u1eafc vng, ch\u1ea5t c\u1ee9ng r\u1eafn v n\u1eb7ng.

H\u1eafc k\u1ef3: G\u1ed7 mu \u0111en nh\u01b0 h\u1eafc ín do tinh d\u1ea7u quy\u1ec7n vo t\u1eebng s\u1edb g\u1ed7.

Thanh k\u1ef3: G\u1ed7 có mu ánh tím xanh, có lo\u1ea1i ít d\u1ea7u thì ch\u1ea5t g\u1ed7 khô v c\u1ee9ng, lo\u1ea1i nhi\u1ec1u d\u1ea7u thì ch\u1ea5t g\u1ed7 m\u1ec1m h\u01a1n.

B\u1ea1ch k\u1ef3: B\u1ea1ch k\u1ef3 l ph\u1ea7n g\u1ed7 có mu tr\u1eafng xám, m\u1ec1m v ch\u1ee9a nhi\u1ec1u tinh d\u1ea7u. Lo\u1ea1i ny r\u1ea5t hi\u1ebfm có m\u1eb7t trên th\u1ecb tr\u01b0\u1eddng.

K\u1ef3 Nam l gì? 4 \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 K\u1ef3 Nam

N\u1ebfu không hi\u1ec3u rõ, K\u1ef3 d\u1ec5 b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi Tr\u1ea7m

K\u1ef3 Nam có nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i tr\u1ed9i so v\u1edbi các lo\u1ea1i Tr\u1ea7m khác, tuy nhiên nhi\u1ec1u ng\u01b0\u1eddi không hi\u1ec3u rõ có th\u1ec3 nh\u1ea7m l\u1eabn Tr\u1ea7m v K\u1ef3 v \u0111\u1ecbnh giá tr\u1ecb sai. Vì th\u1ebf chúng ta c\u1ea7n trang b\u1ecb cho mình nh\u1eefng cách nh\u1eadn bi\u1ebft K\u1ef3 Nam \u0111\u1ec3 l\u1ef1a ch\u1ecdn th\u1eadt \u0111úng.

Quan sát b\u1ec1 ngoi c\u1ee7a mi\u1ebfng g\u1ed7, nh\u1eefng th\u1edb g\u1ed7 x\u1ebfp ch\u1ed3ng lên nhau, có th\u1ec3 th\u1ea5y các th\u1edb g\u1ed7 có mu \u0111\u1ecf ánh kim d\u01b0\u1edbi ánh sáng m\u1ea1nh, \u0111\u1ed3ng th\u1eddi trông khá \u1ea9m \u01b0\u1edbt b\u1edfi l\u01b0\u1ee3ng d\u1ea7u d\u1ed3i do

Khi n\u1ebfm, l\u01b0\u1ee1i s\u1ebd b\u1ecb tê kho\u1ea3ng 10 phút, c\u1ea3m nh\u1eadn l\u1ea7n l\u01b0\u1ee3t v\u1ecb \u0111\u1eafng, ng\u1ecdt, chua v cay rõ rng. Ch\u1ea5t d\u1ea7u c\u1ee7a K\u1ef3 khá d\u1ebbo, có th\u1ec3 gây dính r\u0103ng n\u1ebfu c\u1eafn vo m\u1ed9t th\u1edb th\u1ecbt.

H\u01b0\u01a1ng th\u01a1m c\u1ee7a K\u1ef3 r\u1ea5t \u0111\u1eb7c tr\u01b0ng v không th\u1ec3 l\u1eabn, \u0111ó l h\u01b0\u01a1ng th\u01a1m ngo ng\u1ea1t, the mát nh\u01b0 mùi k\u1eb9o b\u1ea1c h, có th\u1ec3 lm m\u1eaft h\u01a1i cay n\u1ebfu \u0111\u1eb7t g\u1ea7n m\u1eaft.

K\u1ef3 Nam khi \u0111\u1ed1t s\u1ebd t\u1ecfa ra ln khói r\u1ea5t \u0111\u1eb7c tr\u01b0ng, có mu xanh v bay cao th\u1eb3ng t\u1eafp, không xoáy, không \u0111\u1ee9t \u0111o\u1ea1n.

T\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ee9c giá vô cùng \u0111\u1eaft \u0111\u1ecf, công d\u1ee5ng c\u1ee7a K\u1ef3 Nam h\u1eb3n ph\u1ea3i th\u1eadt s\u1ef1 x\u1ee9ng \u0111áng.

K\u1ef3 Nam \u0111\u01b0\u1ee3c cho l có công d\u1ee5ng ch\u1eefa b\u1ec7nh r\u1ea5t t\u1ed1t. Theo \u0110ông Y, \u0111\u00

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