Table 3 Morphology of Salispina species.
Structure | Salispina hoisp. nov. | S. intermedia | S. lobata | S. spinosa |
|---|---|---|---|---|
| Â | USTCMS 1611 | (Liet al.2016) | (Fell & Master 1975) | (Fell & Master 1975) |
Colony pattern | Appressed and petaloid on VJA | Petaloid on PYGA | Appressed and petaloid on VJA | Appressed and rosette on VJA |
Septa | Few, present at maturity | Few, present at maturity | Few, present at maturity | Non-septate at all ages |
Hyphal diam (µm) | 2–9 | 2.5–10 | 3–12 | 3–9 |
Sporangiogenic hypha | Undifferentiated from vegetative hypha, | Undifferentiated from vegetative hypha, | Undifferentiated from vegetative hypha, | Undifferentiated from vegetative hypha, |
| Â | bears 1 terminal sporangium | bears 1 terminal sporangium | bears 1 terminal sporangium | bears 1 terminal sporangium |
Sporangia Shape | Ovoid, clavate, globose, obpyriform, variable | Obovate, obpyriform, globose, elongate, variable | Obypriform to auriculate, botryose-like, similar to fused globose sporangia | Globose, ovate, obovate |
Papilla | Non-papillate | ND | Inconspicuous, unipapillate | Inconspicuous, unipapillate |
Size (µm) | (33.5−)43–57.6–77.5(−87) × (10.5−)20–36.6–66(−75.5) | 33–197 × 25–183 (av. 82 × 62) | 51–75 × 56–150 (av. 67 × 97) | 60–107 (av. 80) diam. |
Surface spines | Most spines at the apex of the sporangia, forming a crown-like appearance, Some sporangia have scattered spines or non-aculeolate | Smooth to spiny, variable degree of coverage from one at the tip to entirely aculeolate | Entirely, partially or non-aculeolate | Entirely, partially or non-aculeolate |
Vacuole | Present | Present | Present | Present |
Basal plug | Present, hyaline | Present, hyaline | Present, hyaline | Present, hyaline |
Zoospore discharge | Through a thin-walled dehiscence tube, often inconspicuous after full release of zoospores | Through a persistent tube | Through a thin-walled, flask-shaped dehiscence tube | Through a thin-walled, flask-shaped dehiscence tube |
Vesicle | Absent | Absent | Absent | Absent |
Chlamydospores | Not observed | Not observed | Not observed | Not observed |
Sexual structures | Not observed | Not observed | Not observed | Not observed |