Apophlaea
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| Apophlaea | |
|---|---|
| Apophlaea sinclairii by Peter de Lange | |
| Scientific classification | |
| Domain: | Eukaryota |
| Clade: | Archaeplastida |
| Division: | Rhodophyta |
| Class: | Florideophyceae |
| Order: | Hildenbrandiales |
| Family: | Hildenbrandiaceae |
| Genus: | Apophlaea J.D.Hooker & Harvey, 1845 |
| Species | |
| |
Apophlaea is a genus of thalloid algae that is endemic to New Zealand.[1] Species in the genus are found in the high intertidal zone on New Zealand's coasts.[2][3] Specimens can reach around 15 cm in size. The thalli take a crustose form, but also contain upright, branching frond-like protrusions that reach 5–8 cm in height.[4][5] Secondary pit connections and secondary pit connectionsare present in the organisms. Apophlaea reproduces by means of conceptacles; it produces tetraspores.
It is notable for its symbiotic relationship with certain fungi.[6] Despite its unusual morphology, molecular systematics, along with its zoned tetrasporangia borne in conceptacles with a single opening, place it within the Hildenbrandiales.[7]
The algae are resistant to both U-V radiation and desiccation, allowing them to thrive in intertidal settings.[8] Indeed, they can resume almost full photosynthesis just minutes after losing 95% of their tissue water.[9]