Welwitschia
Welwitschia ko Welwitschia mirabilis an san shi da ɗayan tsoffin tsirrai masu rai. Ana iya kiransa "burbushin rayuwa". Mafi yawa ana samun shuka a cikin hamada na Namibia. Wasu daga cikin waɗannan tsirrai na iya wuce shekaru 5000. Wannan zai sa su zama tsoffin abubuwa masu rai a Duniya.
| Welwitschia | |
|---|---|
.JPG) | |
| Scientific classification | |
| Kingdom | Plantae |
| Dangi | Welwitschiaceae (en)  |
| Genus | Welwitschia (en)
|
| jinsi | Welwitschia mirabilis Hook.f., 1862
|
| Geographic distribution | |
 | |
| Wannan mukalar bata da Reference (Manazarta) ko daya, ka taimaka ta hanyar samar da Manazarta daga littafi ko yanar gizo, duba wannan shafin domin samun masaniya akan yanda zaka samar da Reference (Manazarta) a cikin wannan mukalar.
 . |
An sanya mata suna bayan mai binciken, Dr. Friedrich Welwitsch. Ana kiran shuka a cikin gida "dogon abu mai gashi". Tsarinsa ya ƙunshi ɗan gajeren itace, itace, mai siffa-kaɗa, kuma bai wuce ganye biyu ba, waɗanda suke da tsayi ƙwarai, (mita biyu ko uku) kuma suna rushewa a ƙarshen.