# 소철류

| **소철류** |
| --- |
|  소철 |
| **생물 분류**ℹ️ |
| 계: | 식물계 |
| 문: | **소철문** (Cycadophyta) Bessey, 1907: 321. |
| 강: | **소철강** (Cycadopsida) Brongn. |
| 목: | **소철목** (Cycadales) Pers. ex Bercht. & J. Presl |
| **과** |
| * 본문 참조

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| **소철류의 분포** |
|  현존하는 소철류의 분포 지역 |

**소철류**(蘇鐵類)는 **소철문**(Cycadophyta)에 속하는 겉씨식물의 총칭이다. 일반적으로 크고 단단하며 뻣뻣한 상록수이다. 보통 깃꼴 모양의 잎이 줄기 끝에 모여 달리고, 튼튼하고 목질 줄기가 있는 종자식물이다. 종은 암수딴그루이므로 종의 개별 식물은 수컷 또는 암컷이다. 소철류의 크기는 줄기가 불과 몇 센티미터에서 몇 미터까지 다양하다. 열대와 아열대 지역에 분포한다. 전 세계에 약 160여 종이 있으나, 한국에 자생하는 종은 소철 1종뿐이다.

## 하위 분류

* 소철아목 (Cycadineae)
	+ 소철과 (Cycadaceae)
* 플로리다소철아목 또는 자메이카소철아목 (Zamiineae)
	+ 스탄게리아과 (Stangeriaceae)
	+ 자메이카소철과 (Zamiaceae)

## 계통 분류

다음은 2007년 앤더슨(Anderson) 등과 2015년 노비코프(Novíkov) 등의 연구에 기초한 종자식물 계통 분류이다.

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| 종자식물 |

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† 양치종자식물  |
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말단겉씨식물  |
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속씨식물 |
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겉씨식물 |

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| 종자식물 |

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†Moresnetiopsida  |
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†Lyginopteridopsida  |
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†Pachytestopsida  |
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†Callistophytales  |
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†Peltaspermopsida  |
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†Umkomasiales  |
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†Phasmatocycadopsida  |
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†Pentoxylopsida  |
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†Dictyopteridiopsida  |
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†Cycadeoideopsida  |
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†Caytoniopsida  |
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속씨식물 |
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소철류  |
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은행나무  |
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구과식물+마황문  |
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양치종자식물
말단겉씨식물 |