Bolbitis heteroclita
(2022.10.4 Taiwan)
About Bolbitis heteroclita
◆ | Classification: Genus Bolbitis, Family Dryopteridaceae | |
◆ | Scientific name: Bolbitis heteroclita (C. Presl) Ching | |
◆ | Chinese name: 長葉實蕨、大實蕨 | |
◆ | Origin: Taiwan, China | |
◆ | Growth environment: In Taiwan, it is only distributed near Nanren Mountain in Hengchun Peninsula, and grows on moist and humus-rich land under forests or on both sides of valleys | |
◆ | Growth habit: Terrestrial or emergent aquatic fern | |
◆ | Hight: Up to about 70 cm | |
◆ | Rhizome: Long creeping, 0.06-0.07 cm in diameter, densely scaly, scale lanceolate, brownish; frond close together, about 1-3 cm apart, tufted | |
◆ | Frond: Dimorphic | |
》 | Trophophyll →Stipe 10-30 cm long, covered with brown lanceolate scales at base →Blade 1-pinnate, narrow triangle, 30-50 cm long or more, 25-35 cm broad →Lateral pinnae 3-5 pairs, 15-20 cm long, 3-5 cm broad; sessile →Margin crenate-serrate →Top pinna lanceolate, some of them prolonged, about 20-30 cm long, and grow adventitious buds at tip →Netted vein, areolae with included veinlets |
|
》 | Sporophyll →Stipe 10-45 cm long, covered with brown lanceolate scales at base →Blade 1-pinnate, narrower than trophophyll; 10-26 cm long, 5-20 cm broad →Lateral pinnae 4-5 pairs; sessile →Sporangia scattered all over the abaxial surface |
|
◆ | sori | |
》 | Sporangia scattered all over the abaxial surface of the sporophyll | |
》 | No indusium |
Bolbitis heteroclita is native to Taiwan and China. In Taiwan, it is only distributed near Nanren Mountain in Hengchun Peninsula, and grows on moist and humus-rich land under forests or on both sides of valleys.
Bolbitis heteroclita
(2022.10.4 Taiwan)
It is a terrestrial or emergent aquatic fern.
Bolbitis heteroclita
(2022.10.4 Taiwan)
The rhizome is long and creeping, about 0.06-0.07 cm in diameter, densely scaly, scale lanceolate and brownish; fronds close together, about 1-3 cm apart, tufted.
Rhizome & stipes of Bolbitis heteroclita
(2022.10.4 Taiwan)
Stipe of trophophyll 10-30 cm long, covered with brown lanceolate scales at base.
Blade of trophophyll is 1-pinnate, narrow triangle, 30-50 cm long or more, 25-35 cm broad.
Trophophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
Rachis of trophophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
Lateral pinnae of trophophyll is 3-5 pairs, 15-20 cm long, 3-5 cm broad; sessile.
Trophophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
Margin crenate-serrate.
Trophophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
Netted vein, areolae with included veinlets.
Veins of Bolbitis heteroclita
(2022.10.4 Taiwan)
Top pinna of trophophyll is lanceolate, some of them prolonged, about 20-30 cm long.
Trophophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
And grow adventitious buds at tip.
Top pinna of trophophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
Adventitious bud of Bolbitis heteroclita
(2022.10.4 Taiwan)
Adventitious bud of Bolbitis heteroclita
(2022.10.4 Taiwan)
Sporophyll frond 1-pinnate, narrower than trophophyll; blade 10-26 cm long, 5-20 cm broad, stipe 10-45 cm long, covered with brown lanceolate scales at base.
Sporophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
Lateral pinnae of sporophyll frond is 4-5 pairs; sessile.
Sporophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
The sporophyll frond is upright.
Sporophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
The sporangia are scattered all over the abaxial surface of the sporophyll frond.
Sporophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
Sporophyll of Bolbitis heteroclita
(2022.10.4 Taiwan)
There is no indusium.
Sporangia of Bolbitis heteroclita
(2022.10.4 Taiwan)
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