Page 15 - 《广西植物》2020年第10期
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A. 钟冠报春苣苔ꎻ B. 疏花报春苣苔ꎮ 1. 野外居群ꎻ 2. 开花植株ꎻ 3. 花冠正面ꎻ 4. 花冠筒侧面ꎮ
A. Primulina swingleiandꎻ B. P. laxiflora. 1. Habitatꎻ 2. Plant(s) in floweringꎻ 3. Frontal view of corollaꎻ 4. Lateral view of corolla.
图 2 钟冠报春苣苔与疏花报春苣苔形态对比
Fig. 2 Comparison of Primulina swinglei and P. laxiflora
collected at the same locality in 28 Julyꎬ 1930ꎬ and ( Fig. 1 )]ꎬ and recognized as an endemic from
he also referenced Liang 69669 [ IBKꎬ barcode Lingyun Countyꎬ NW Guangxiꎬ China (Wang et al.ꎬ
no. 00054451 ] collected in the Shiwandashan 1998ꎻ Li & Wangꎬ 2005ꎻ Wei et al.ꎬ 2010). Since
Mountainꎬ Guangxi Zhuang Autonomous Region. The its publicationꎬ this taxon has been generally
latter was identified as Chirita pellegriniana Burtt considered to be very similar to P. swingleiꎬ but to
(1960: 98) by Wood (1974)ꎬ which is a synonym differ by a smaller leaf bladeꎬ 6-9.6 cm long (vs. 6-
of Primulina swinglei ( Wangꎬ 1990ꎻ Wang et al.ꎬ 6 cm long )ꎬ smaller corollaꎬ ca. 1. 7 cm long
1998ꎻ Weber et al.ꎬ 2011). (vs. 2. 4 - 4. 2 cm long)ꎬ tube nearly tubular ( vs.
In Vietnamꎬ Didymocarpus balansae Pellegrin campanulate to funnelform) and abaxial coralla lip
(1926: 415) was described based on B. Balansa’ s 0.6-1.5 cm long (vs. 1-3 cm long) ( Wangꎬ 1985ꎻ
collections from Mont Bavi ( Tonkin) in 1886 - 1887 Wang et al.ꎬ 1998). While P. swinglei has a wide
and was recognized as an endemic species ( Pellegrin geographic distributionꎬ predominantly from East
& Lecomteꎬ 1930). Both specimens ( Balansa 4287 Guangdong through Guangxi to North Vietnamꎬ where
and Balansa 4294) were simultaneously designated as it grows in a variety of different habitats ( Karst and
types ( Pellegrinꎬ 1926 ). It was regarded as a granite landscapes)ꎬ with most populations occurring
synonym of Chirita pellegriniana by Burtt ( Burttꎬ in karst landscapes ( Do et al.ꎬ 2013). We notably
1960). Laterꎬ it was considered to be conspecific observed different individuals from the type locality of
with Primulina swinglei (Wangꎬ 1985ꎻ Wang et al.ꎬ P. swingleiꎬ Luofu Mountain of Guangdongꎬ Chinaꎬ
1998ꎻ Weber et al.ꎬ 2011). Thereforeꎬ these types and found that many small individuals can get to
were designated as the syntypes of P. swinglei. bloom. After consulting the original and relevant
Primulina laxiflora was described on the basis of literature ( Merrillꎬ 1918ꎻ Pellegrinꎬ 1926ꎻ Burttꎬ
a single collectionꎬ S. W. Chen 19753 [PE00030667 1960ꎻ Weber et al.ꎬ 2011)ꎬ conducting field observations