Stictocardia beraviensis ?;

 

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Covolvulaceae Week – Bangalore – RA – Stictocardia tiliifolia – Spotted Heart: I rarely take pictures of any plants other than trees.
These are the some of the climbers I took.

Spotted Heart is a large woody climber found in the seashore thickets and forests. Leaves broadly ovate to circular, 6-20 long and 5-20 cm wide, heart-shaped at the base, with a short blunt tip. Leaves have some glandular spots on the upper surface, which inspired the common name Spotted Heart. In fact, the genus name Stictocardia also stands for spotted heart. Flowers are borne in clusters of 1-3 in leaf axils. Sepals are circular with a rounded tip. 1.2-1.8 cm long, much enlarged in fruit and then up to 4-5 cm long. Flowers are funnel-shaped, 8-10 cm long, reddish purple with a darker center, or reddish with a yellowish center. Ovary is hairless, filaments hairy at base. Easily identified by the capsule enclosed by enlarged sepals, 2-3.5 cm in diameter. Seeds 8-9 mm long, black to dark brown, velvety. Spotted Heart is native to India and SE Asia, introduced in America. Flowering: August-October.
More pictures in
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The Stictocardia posted is most likely either Stictocardia macalusoi or Stictocardia beraviensis and the only difference that I can locate between the 2 species mentioned is the length of the corolla.
S. beraviensis (Vatke) Hallier f. – Corolla 4.5 – 5.5 cm long
S. macalusoi (Mattei) Verdc. – Corolla 5.5 – 7 cm long
The other characteristics of both of the above species is otherwise the same…corolla coloration can vary from a deep reddish to a lighter pinkish with stripes and yellow deeper in the corolla.
Please post details of Stictocardia macalusoi to differentiate from Stictocardia beraviensis if anyone has access….as what I have is limited to distinguish between the 2 supposedly different species and consists of all features being exactly the same with the singular exception of the
Stictocardia campanulata is supposed to be extremely similar to Stictocardia Stictocardia tiliifolia (as disputed by experts as may be found in The Flora of China) and purportedly distinguished by the glands on the underside of the leaves , although this is also likely not accurate as the presence of glands on the leaves is a feature of all Stictocardia and in fact Stictocardia means dots on the heart shaped leaves.
The corolla of Stictocardia campanulata and Stictocardia tiliifolia has been described as being a white to pale pink and these 2 species may turn out to be local variations of each other…Stictocardia tiliifolia synonyms are as follows:
Synonym:Argyreia tiliifolia
Synonym: Ipomoea tiliifolia
Synonym: Rivea tiliaefolia
Synonym: Stictocardia tiliafolia
Synonym: Stictocardia tiliaefolia
I think George Staples will ultimately have to sort out all of the Stictocardia and Argyreia (which are very closely related to the Stictocardia)


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